Author's note (kind of important): Omg, I'm back? Anyways, I've been re-reading old miraculous fanfics that I love, especially the exposing Lila one. Suddenly, an idea struck me. How about I do a little crossover episode between mlb and Genshin? Another thing is that I haven't watched the show in sometime. I stopped in the middle of season 4 so I haven't been fed new information on what else Lila did. I hope you don't mind me repeating old stuff again.

-

"Lumine! We have a new quest!" A certain floating girl yelled in excitement. She spun around a young blonde haired girl while she giggles.

"Yes Paimon, I wonder what it will be!" Lumine smiles while looking through her quests and cringe when she saw the amount of her unfinished quests along the list.

"Okay…" She sigh. "let's see here: Talk to Ruòxī in Guili Plains…. I have a feeling it might be another blue door quest."

"Ew! Blue door! Paimon hates one of those. You'll never know what you'll face!"

"I hope this one will be good at least." The blonde girl sigh again. "I can't believe this all started because I want to find Aether."

"Cheer up, we'll find your brother! Paimon promised! That's why Paimon is by your side!" The little girl giggled as the bigger girl patted her head.

"Thank you, Paimon. You are the best. Now, let's go! As soon as we finished this, the better!"

Then using the near by teleport waypoint, they teleported to their destination hoping to get their quest done early.

-

Arrived at their destination, they saw a young black haired girl. Next to her, is a well known blue door, it's silver accent shimmer in the sunlight. Lumine and Paimon greeted her with a smile.

"You must be Ruòxī."

"And you must be the famous traveler and Paimon! It's very nice to meet you! I'm glad you got my commission."

"Yes… commission… I hope it's nothing too bad." Lumine tried not to frown.

"I understand that you might be worried but do not be scared. My commission is quite simple, actually. I do not want to lie to you.. however, it's more of an entertainment.. to me. Hehe." Ruòxī smiled sheepishly, holding on to her thumbs.

"Alright.. as long as there's not any fighting." Lumine rubbed her forehead.

"There won't be at all. Alright, when you are ready, please stepped in. You'll get your tutorial once you're in there."

"Alright, we'll see you later, Ruòxī."

"Bye-bye, Ruòxī!"

Once again, the traveler and her trusty companion walked through the portal. For the third time in ten minutes, Lumine sigh as the white light blinded her.

-

"Where are we? Paimon feels so dizzy!" The floating creature wines.

"This place look so weird!"

Lumine opened her eyes carefully, afraid of the blinding light. Again, she sigh as she looked around the place. In her view, they're in a big building with big and wide open space, two flight of stairs that leads to another level.

A janitor nearby noticed her. "You! What are you doing here? Outsiders are not allow in the school unless you have an appointment with the headmaster!" He stared at Lumine only and didn't took noticed of Paimon.

Lumine blinked, surprised she said. "But I do have an appointment with him. See?" She took out a folded up paper and open it to show the janitor. The text telling them the appointment time to meet the headmaster.

"Oh, my apologies for being rude. Would you like me to take you up to his office?"

Quickly, the girl waved the hand in the air. "No, no. Thank you but I already know where it is." She walked away with Paimon trailing behind her.

"What was that?!" Paimon asked.

"I have no idea! Suddenly, I just did all those things without thinking! It's so weird!"

"That old guy didn't even noticed Paimon, like Paimon is invisible to his eyes."

"I think that might be a good thing, Paimon so he won't be startled." She insisted.

"Okay… if Lumi said so!"

-

"I think this is the place." They stopped in front of a wooden door. Loud chatter can be heard from the other side.

"Lumi, we should look at the tutorial first so we'll know what to do."

"Yes, you're right." A little screen appeared in front of her. Lumine stared at the screen weirdly.

"Huh? Expose a liar? Oh it said here that once I go into the room, all the information that they have against the liar will be transferred to my mind. We just need to use them to expose the liar. Okay, that sound easy enough! With all those voices in the room, they're probably the audience. I guess this won't be a private conversation. Alright! Let's expose them!"

-

Traveler opened the door before stomping in, startling the students inside it. She looked around trying to find the certain liar according to the image that was sent to her mind.

She grinned wickedly when she saw her target, before introducing herself.

"Hello there, I'm Lumine."

"Who even are you? New student?" A short girl with dark pink hair asked. She looked at the blonde girl up and down while being amazed with her attire. Again, no one seem to noticed Paimon floating next to the traveler.

"I like your outfit, pretty cool. Name's Alix."

"Yeah… hello.. Lumine. I'm Alya." A certain brunette girl with glasses greeted her warily.

"Yes, hello and thank you. I'm not a new student, fortunately. I'm here to deal with a certain liar in this class. You can all watch if you like, I don't mind."

"What do you mean?" Asked the protagonist of this world. Though, she already know who the girl is taking about and she definitely wasn't going to stop her.

Lumine ignored her before walking up the steps to where the target is seated.

"Hello… Lila."

"How do you know my name?" Lila asked clenching her fists. She tried to smile.

"When you said liar, you mean Lila?" Alya stared at her like she'd grown another head. "Lila isn't a liar. She's a very truthful person."

Lumine rolled her eyes at the defensive girl.

"Shush, Alya. I'm quite disappointed that someone who supposed to be as observant as you isn't capable to distinguish lies from the truth."

The blonde boy in the front gasped and clasped his hands over his mouth to hide his giggles before exchanging the knowing look with the girl behind.

"Dude…"

"The thing is Lila here is lying to all of you." The liar stood up from her seat and started *fake* sobbing.

"How can you accused me like this?" She pretended to blow her nose in her handkerchief. Some student ran to her and rubbed her back in comfort.

"Lila, we all know you never lie."

"It's okay, Lila!"

"We all lie, Lila." Lumine crossed her arms before continuing "but no one lie more you do. The amount of bullshit coming out of your mouth is nothing compared to anyone. Lies. Everything you say are all lies."

"And it's not just the lies you told that make you the worse person in existence but your actions as well. You literally harassed your precious classmates. Threatened one and almost caused her to be akumatised on doing different occasions."

Everyone gasped but for Marinette and Adrien is for a different reason.

"How did she know?" Marinette whispered.

"Threatened?" The blonde boy gasped. "Marinette?" He looked over at the girl who looked away nervously.

"No way! You're just a stranger! How can we believe you?" Alya yelled.

"That's right! How can I do something like that? I tried so hard to be a good person, I volunteered at different charities or helped so many people achieved their dreams!" Lila yelled then continued to sob.

"Oh wow. Congratulations. I don't care. Look, I'm telling you the truth okay? If you don't believe me then that is your own problem. One day Lila, your karma will come and bite you on your butt, don't go crying to anyone when that happens.

You all can continue to neglect your two precious friends if you want. It's your own fault if one day you lose all the people you love because of your behaviour like this. I'm getting out of here."

Lumine exhaled before walking out the door with Paimon flying behind her. They both disappeared leaving the students to sort their situation out themselves.

"Sorry Paimon but I can't deal with those kind of people."

"It's okay! Paimon understand. Paimon feels so tired just watching the whole scene that Paimon could sleep for a week."

"Haha! Me too!"

-

[CHALLENGE FAILED]

"Ugh, that was so frustrating. I don't even care about that forty primos! Not worth it! I have more ways to get primos for Nahida."