Here's the second chapter of The Traitorous Friend! Hope you guys like it! This story might be five chapters long and I might do a side story. Please follow, fave, and/or review when you are done reading.

Disclaimer. I do not own Attack on Titan, it belongs to Hajime Isayama.


"No….it can't be. Marco's dead." Jean said in disbelief, looking at Armin.

"But Jean, I know that you know it. Don't you remember when the titan stopped?" Armin asked.


Flashback.


"Armin!" Jean yelled, watching as the Male Titan crouched right next to the blonde haired boy. He fired his ODM Gear on the Male Titans shoulder, causing the Male titan to turn his head to look at the ODM Gear on his shoulder.

'The moves on this one, he's like an athlete.' Jean thought, watching as the Male Titan turned his leg, making the ODM Gear come off of his shoulder.

'We didn't think this through!' Jean ducked as the Male Titan swung his arm at him. Jean used his gear to latch onto its leg, using it to move around towards the nape.

The Male Titan put his left hand over his nape. 'What! He's protecting his weak spot! There's nothing I can do! I'm a dead man!' Jean thought, watching as the Male Titan clenched his right fist. Meanwhile, Armin was getting up from the ground.

The Male Titan swung his fist, aiming towards Jean as he watched it come towards him.

"Jean!" Armin yelled, causing the Male Titan to freeze. "Don't let the suicidal maniac die in vain!"

'He stopped? Why did he stop?' Jean thought, watching the Male Titan stay completely still.


"Didn't he stop when you said suicidal maniac?" Jean questioned.

"No, he stopped when I said Jean. If it was anyone else, they wouldn't of stopped and you would be dead." Armin answered.

"But I saw his corpse! I saw it with my own eyes!" Jean told him.

"Has anyone seen Samuel?" Armin asked suddenly, causing Jean to stop and think.

'Now that I think about it, Marco and Samuel did look alike, and I haven't seen Samuel around at all.' Jean thought.

"You know I'm right, Marco is a titan shifter." Armin said.

"But that doesn't make any sense, why didn't he tell us when Eren was discovered to be a titan?" Jean asked.

"One titan shifter was already nerve racking, but finding out about two, that would be chaos. And in that chaos, someone would have shot Marco and Eren." Armin answered.

Jean just stood there. 'Marco, why are you doing this?' Jean thought.


Marco put the Survey Corps cloak on as he waited for the signal. 'It's really hard to think that I'm working with Reiner, Bertholdt, and Annie. But I wouldn't be here if I hadn't shown my powers.' Marco thought, remembering how the three knew about his abilities.


Flashback


Annie, Reiner, and Bertholdt watch as the titan went to put Marco in its mouth, who was struggling against the titan.

Annie closed her eyes as tears streamed down her face. Bertholdt and Reiner watched with shocked and sad expressions.

Marco moved his left hand towards his mouth. "What is he doing?" Bertholdt asked, causing Annie to open her eyes.

The three watched as Marco put his hand in his mouth, biting on it. A flash of gold lighting came down as the three closed their eyes against the brightness.

The three opened their eyes to see the steaming corpse of a titan, and one live one looming over it. The titan was around twenty meters tall, with short black hair, gold eyes, and tannish olive skin. The skin was ripped to reveal bright red muscles and was ripped around the jaw to reveal the teeth. The titan had claws on its hand and feet as it looked at Annie, Reiner, and Bertholdt.

"Is that…?" Annie asked, taking a step backward.

"Marco is a titan shifter!" Bertholdt said, shocked.

"But….I thought there were only nine titan shifters." Reiner mentioned.

"Let's just hope he won't kill us." Bertholdt said.

The three heard someone let out a cry, turning they saw Samuel whizzed towards Marco on his ODM gear. "Die you titan!" Samuel yelled, going straight for the nape.

Marco in his titan form caught Samuel, pinning his hands as he lifted him to his face. Marco pressed his clawed hand into Samuel's skin, Samuel's screams of pain immediately coming to stop as the sound of skin tearing and blood splatter was heard. Annie turned and started to puke as Reiner and Bertholdt looked in shock as Marco took Samuel's ODM Gear off of his body and put it into the same room that Annie threw his.

Reiner and Bertholdt watched as Marco put Samuel's dead body against a building. Marco turned to look at Reiner and Bertholdt as he walked towards them.

"Should we attack him?" Reiner asked.

They didn't have to, because once Marco got close to the building, the titan body then fell on the building with a thud.

Reiner, Bertholdt, and Annie, who stopped puking, turned to see Marco emerge from his titan form as it started to evaporate. Marco started to walk towards them.

"Alright, tell me, who are you?" Marco asked.

"But who are you?" Annie asked.


Timeskip.


"...my mother injected me with the titan serum, and I ate her in my mindless titan form, inheriting my titan shifter powers." Marco told the three.

"So let me get this straight. Your dad had gotten injected with a serum that had the blood of the Armored, Colossal, Jaw, and Female titan?" Reiner asked. "Got titan shifter powers, wound up at Wall Maria, and meet your mother. Gave your mother the titan serum, who got your dad's powers, and she was pregnant with you at the time. She then gave you her powers before you left for the Military Division?" Annie asked.

"Yep, that's pretty much it." Marco answered. "And you guys aren't from the walls, you're from Marley."

"Yes, we are here to get the Founding Titan, and bring it back to the Marley, and us Eldians will be free." Reiner said.

"Do you guys really believe they'll let you guys go that easy? Sounds a little too suspicious to me." Marco told them.

"We are to fulfill our duty as warriors." Reiner said, a angry look coming over his face.

Marco quickly changed the subject. "Okay, I get it. But why do you want Eren?"

"We need all the help we can get." Annie exclaimed.

"He won't agree that easy." Marco pointed out.

"Then we'll let an Eldian warrior eat him and inherit his powers." Bertholdt said.

"But why do you want to help us?" Reiner asked.

"I have no family anymore, plus I didn't even want to join the Military Police in the first place." Marco said. "I might be able to help you guys get back home with Eren, and the Founding Titan. If you guys want me to help, that is." Marco knew he was making a gamble, but he had to take the chance right here and now.

Annie, Reiner and Bertholdt looked at him. "Then I think I made up my mind…." Reiner said.


"...you can join us in our mission to capture Eren and come with us to Liberio." Reiner's voice rang through Marco's head, as he waited on a tree branch.

'I wonder how much longer I have to wait, I know that Armin knows my identity, and he probably told Jean. But it won't matter, it will probably be to late.' Marco thought.

A scream suddenly pierced through the air, Marco having to cover his ears until the screaming stopped, he then took his hands off of his ears. 'And I don't have to wait much longer.' Marco thought.