(A/N): Hello, this is my first fanfic so I hope you enjoy

"Katsudon"-Talking

'Shadow soldiers'-thoughts

"I AM HERE"-All might

[Arise]-System


(Hospital)

We see a boy moving in a hospital bed covered with bandages, this boy was none other than Midoriya Izuku. Izuku was starting to wake up. Izuku held his head, "Where am I?" Izuku said to himself.

Izuku then heard the door open and he saw it was the doctor. "Ah, Midoriya-san you are awake, that is a relieve." The doctor said to him. Izuku look confused at what the doctor said until he remembered what happened at the U.S.J.

"H-how l-long was I here?" Izuku stuttered out. While the doctor was looking at the clipboard, he replied by saying "You have been here for two days and your mother was very worried about you as well as your classmates." Izuku was shocked to say the least.

The doctor then left Izuku in the room. Once the doctor left Izuku look ahead of him to see a message in front of him, "Did he not see this." Izuku said while trying to touch the floating message that said.

[You have unread mail]

Izuku looked confused at the message. Izuku then thought on how to read the mail. 'Since touching doesn't work then it must be voice command.' Izuku thought to himself while rubbing the back of his head. "Open...mailbox." Izuku whispered. The message disappear to only be replaced by another new one.

Welcome, [Player] (unread)

[Daily quest:Preparing to become strong] has arrived (unread)

Izuku was genuinely confused by what the message said cause he thought he was already strong enough after the number 1 hero gave him his quirk 'one for all'. But before Izuku could continue going through the message, the door was suddenly flung open. Izuku looked at the door in a hurry to see who it was, to only come across his mentor All Might or other was know as Toshinori Yagi. "Young Midoriya, how are you doing after your fight with the Nomu?" Toshinori asked in a worried tone.

Izuku replies to try and calm All Might "I-I a-am fine Toshinori-sensei, b-besides I d-didn't get seriously hurt." All Might sigh in relief to hear the Izuku was alright, for some reason it made Izuku slightly happy to see that All Might was worried about him.

(Time skip)

Toshinori the bid Izuku goodbye and left his hospital room. When Toshinori left the room, Izuku immediately looked at the message once again but instead of it being the same message that it was before Toshinori arrived, it was totally different.

[The system will help the 'Player's growth]

[If he fails to obey the system's order, there may be a penalty]

[Your rewards have arrived]

Izuku looked absolutely confused on what these messages were showing him. 'W-w-what I-is this thing and what does it mean by p-penalty.' Izuku thought a little scared. Izuku then remember that saw a message similar to the one in front of him, when he got defeated by the Nomu and it said.

[You have completed all the necessary requirements of the secret quest 'Courage Of The Weak']

Izuku shook his head to try and forget the awful experience that he felt when he got punch by the Nomu. Before Izuku tried to figure how he got the system another screen pop up.

[Daily quest:preparing to become the strongest]has arrived (unread)

Izuku decided not to question it said "Check." Then a full workout session appeared in front of him which said.

[Goal]

(Incomplete) push-ups [0/100]

(Incomplete) curl-ups [0/100]

(Incomplete) squats [0/100]

(Incomplete) running [0/10km]

"This seems simple enough for me to handle even if I just woke u-." Before Izuku could continue his sentence his eyes travel to the warning sign.

Warning!- failing to do the quest will result to the penalty to take action.

Izuku in and there knew that he was going to do the quest no matter what. Izuku immediately got out of the bed and started to do the workout. After he was done with everything, he went back to bed to sleep.

(Time skip)

We see two nurse discussing about Izuku. "Isn't strange that the new patient is doing all these exercises when he recovered?" Said one nurse, while the other replied by saying. "I heard he is a hero in training, so it's a possibility that he is use to getting injured?" While they were discussion the matter, we see Izuku jogging. 'It's been four days after I woke up and six days after the U.S.J incident, lucky U.A is closed for two weeks because they are building dorms for us.' Izuku thought while stopping to catch his breath.

Izuku then looked up to see that he completed the daily quest. ' I came to learn a few things about the system, first, the system is definitely not an illusion. Although I have noticed on multiple occasions that other people can't see it besides myself.' Before Izuku could go on with his train of thought the system appeared

[Choose your reward]

[You may choose one of these rewards below]

Reward #1. Status recovery

Reward #2. Stat points 3

Reward #3. Random box

[Will you accept?]

Izuku without hesitation said "Accept status recovery." Not even a second later, Izuku felt his muscle relax. Izuku then went to go sit on the bench while accepting the stat points and the random box. Izuku then continue his train of thought by saying "The system works similar to a rpg game that I use to play so I can level up and increase my stats, but that also means I will have to kill. Even if there are monster that doesn't make it right to kill.'

Izuku then called his skill page, so that he can see what skill he has gotten.

[Passive]

(Unknown) Max

Muscularity Lv.1

[Active]

One for all Lv.1

Sprint Lv.1

Izuku then changed the screen to see his status.

[Status]

Name:Midoriya Izuku Level:1

Job:None. Fatigue:0

Title:None

Hp:100

Mp:280


Strength:23. Vitality:10

Agility:13. Intelligence:28

Sense:10


Remaining stat points:3

(Timeskip)

We can see Izuku shyly make his way to a nurse and said "H-hello, will it b-be alright if I may leave for a while." The nurse looked at Izuku and said "Yes you may." Izuku without looking at the nurse made his way to Musutafu train station.

When Izuku arrived at the train station, he took out the dungeon key that he got from doing the daily quest which he inserted into the air. Suddenly a portal opened up that only Izuku could see. He took a deep breath in and walked into the portal which closed behind him. Izuku in a panic state, started hitting it but to no avail

[You have entered a instant dungeon]

Taking a calm breath in, Izuku looked back at the entrance before walking down the flights of stairs. While going down the stairs the system popped up

[You can't leave the dungeon without killing the boss or getting the return crystal]

When Izuku made it down the the flight of stairs he immediately became uncomfortable. Then all of a sudden something leaped out from the shadow trying to bite Izuku on the head. Izuku manage to dodge the attack by jumping to the side

"Is that a wolf?" Izuku said to himself. There was a name on top of the wolf's head

[Steel fang raikan]

The Raikan had red fur and sharp teeth that was protected by a steel jaw type thing. 'H-how a-am I-I suppose to fight a wolf when I can't even fight villains on my own!' Izuku exclaimed in his head while he was trying to figure out a plan. He then looked down to see his legs was shaking due to the bloodlust the wolf was giving off.

"A-am I-I s-scared?" Izuku question himself even though he went through all kinds of life threatening incidents. Before Izuku could continue the Raikan saw a opportunity and leaped in to strike again but fortunately Izuku manage to dodge again by leaping back, managing to gain a small distance from the beast to make him feel comfortable.

Before he could make a plan the Raikan leaped with an open jaw to Izuku's head only for it to miss due to Izuku doing a one handed cartwheel, which he didn't anticipated the strength behind it which caused him to bump against the wall. 'My body feels so light.' Izuku thought while standing up, then doing a front flip over the Raikan.

Izuku then charged one for all into his hand, while Izuku was charging one for all the Raikan took his chance and leaped in to finally finish the job but unfortunately Izuku was finish charging one for all and yelled "Detroit smash!" While punching the Raikan, which it managed to dodge the attack.

Izuku was already exhausted from the punch and his hand was turning purple. "How did it manage to dodge my attack?" Izuku said. Before Izuku could do anything the Raikan leaped to bite Izuku's leg but Izuku side stepped but unfortunately the attack still landed slightly which caused his leg to start bleeding.

While Izuku is throwing his own punches which he noticed done nothing to the beast. "I need a weapon to help me continue the fight!" Izuku said. He then remember there was something in the inventory, which he called out. "Inventory." Then a box open up next to him. Izuku stocked his hand in to then only pull out a sword from it and slashing a downward slash which cut the Raikan in half. "I don't know where this sword come from but I am truly grateful." Izuku said while breathing heavily.

[You have defeated the Steel Fang Raikan]

[You have levelled up]

But before could even catch his breath two more Raikans come out from the shadows. Izuku tried pulling the sword to get ready to fight but it was stuck due to his last swing. "Come on, come on!" Izuku said while trying to yank the sword out of the ground. In that moment the Raikans to the chance and they both jump to strike Izuku while his back was turned. Izuku was struggling to pull the sword out from the ground but hi put all his strength into the pull which manage to get it unstuck. Izuku turn around as fast as possible and slash one of the Raikan in but it's ribs but it didn't die however the second Raikan caught the sword in it's mouth.

"Dammit, I guess it's not called Steel fang for nothing!" Izuku yelled you himself. Izuku then kneed the beast until it let go of the sword, the moment it let go of the sword Izuku immediately to the opportunity to strike it in half. The Raikan saw what Izuku done to the other beast and it took the chance to flee the area that they were in. "Now that I think about it, you guys are nothing compared to the Nomu." Izuku said in a whisper.

[Status]

Name:Midoriya Izuku Level:2

Job:None Fatigue:3

Title:None

Hp:205

Mp:290


Strength:24 Vitality:11

Agility:14 Intelligence:29

Sense:11


Remaining stat points:0


[Passive]

(Unknown) Max

Muscularity Lv.1

[Active]

One for all Lv.1

Sprint Lv.1

Izuku while putting his hand on his chin started to think out loud "I see so for every level up I get my stats increase by 1. Clearing the daily quest gives me 3 stat points, leveling up means all my stats get increase by 1 which in total adds up to 5 points. Which means leveling up is more efficient." Izuku then sat down on the ground to relax while he is busy think of the possibility of the system. "It's strange that I don't feel anything after killing these things, but that's a question for another time, I wonder how much stronger do I get per stat point? Even my intelligence and sense can be measured in numbers."

"The easiest one to understand is strength and it only increase by 1 point but I can totally feel the difference. I wonder, could it be that my stats are weighted? Anyways, I can see that you get stronger by leveling up." Izuku put his hand on his face while looking sad "Even someone as weak like me can get strong." Izuku stood up from where he was sitting and looked at the monsters (that he killed) died body's. "I wonder if the star works like a video game shouldn't the monsters drop items at least?" Izuku said while digging the in the body's. He then pulled out their fangs. "Oh, there's a store in the system as well!" Izuku practically yelled to himself. "I wonder what I can buy in the store?" Izuku said while pressing the buy button.

[Your level is not high enough to buy from the store]

"Looks like my level isn't high enough yet." Izuku said.

[Would you like to sell Raikan's fang]?

"Why not, yes!" Izuku said to the system. "What it sold for 20 gold!? I don't know the worth of it since it isn't yen." Izuku said while surprised by the amount the fang is. "Then again the description of the key said the dungeon was a E-rank so I would guess it isn't a lot. While I should continue on the is my only chance to get basically free level ups so I might as well just do it." Izuku said while stand up from his crouching position next to the body's.

Izuku looked to his right and saw a bunch of red glowing eyes. "There's nothing to fear I already 'died' once." Izuku dashed to the closes wolfs to him and began to swing the sword which manage to cut one of the wolf's head off but he got bitten by another on the shoulder which he manage to get of him by trying to slash its body in half, so the wolf leaped away so that it doesn't get hurt. "I won't die that easy!" Izuku yelled to the pack. Without realising Izuku eyes started glowing green, "So you shouldn't die easily either or else I will feel bad."

Izuku ferociously swang the sword which killed three Raikans. 'As much as my body can endure.' Izuku thought to himself.

[You have levelled up!]

Izuku continues to swing the sword, 'I realize now if I quit here the I will surely be slaughtered.'

[You have levelled up!]

[You have levelled up!]

Izuku stabbed one of the wolf's right through the jaw. Izuku then remembered his mother, 'If I die I can't protect those that I love!' Izuku started to walk towards the rest of the pack that was alive and gripped to the sword's handle with all his might, screaming.

[You have levelled up!]

(Timeskip)

Izuku walking around the station completely exhausted until he saw in the corner of his eyes, he saw almost ten or more Raikans. Taking a deep breath in, he steeled himself for yet another tiring battle.

[You have earned (Title:Wolf Slayer)]

Izuku surrounded by the dead bodies of the wolf's.

[Title:Wolf Slayer]

A title given to a hunter proficient in fights against wolves. 40% increase experience against beast type monsters.

Izuku checked his inventory. "34 Wolf fangs, 2 worn daggers, travellers clothes and a hearthstone. That is way more than I expected." Izuku thought about taking the hearthstones and leaving but he decided against the idea. "I might not get another chance of leveling up so easy!" Izuku said to himself so that he can get more confident in himself to continue the journey to the boss.

Izuku made he way through the dungeon killing every monster that he see which manage to earn him two levels.

[You have levelled up!]

[You have levelled up!]

"Everytime I level up the fight against the monsters become a little bit easier." Izuku said while killing two monkey like monsters with long nails and a black panther.

[You have slain Razor Claw Briga]

[You have slain Black Shadow Razan]

[You have slain Black Shadow Razan]

'I can feel myself getting stronger!' Izuku said excited but he didn't notice purple electricity coming off him. "These monster are respawning just like a video game monsters." Izuku being very intelligent at observing things manage to figure out their patterns very quickly. 'Monkey from above and panthers from each side.' Izuku thought with his calculated mind.

Gripping the sword, Izuku stabbed the monkey then cutting the panther's head off, using the momentum Izuku swang the sword and slash the other panther's head off while his eyes was glowing green. Out of no where a Raikan leaped out but Izuku turned around so fast and slice then wolf down the middle.

"It looked like the colour of their names changed, I guess white means weak, orange means it's strong and I assume red is very strong. Since the Raikans were orange when I arrived and now they are white." Izuku said while feeling proud of himself that he finally became stronger.

All of a sudden Izuku got a goosebumps. "If when my current strength, I am not sure I will be able to beat the boss. My level isn't rising anymore and the sword won't last long." Izuku decided to make his why down the flight of stairs.


Thank you for reading the story I hope you enjoyed it even though it's my first fanfic.