Kimetsu Academy || MUICHIRO X READER

Studying :)

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"Then you multiply 6 with 8 and then divide by 2/5," Miyuka instructed, seeing Selena clueless. "Ugh!" I groaned. "This will take forever!"

Rui rolled his eyes as he looked at his math book. "It's not that hard," Rui sighed, looking at Selena, Koyuki, and me. "You just need to understand the concept, and you'll be fine."

Rui then bonked me on the head with his book. "There's no need to memorize the formula," he scoffed. I rubbed my head. "But Rui!" I whined.

"Look! What don't you understand?!" I heard Kento yell at Kai.

"It's not my fault! I'm terrible at math, and you know that! All of you know that!" Kai exclaimed.

Quick memo here...
《MONDAY》》

"I CAN'T BELIEVE THERE IS A MATH TEST!" Selena whined. "I'm gonna fail!" I sobbed. "I don't wanna drop my grade to a C!" Koyuki exclaimed.

"We can help you," Rui insisted. Mui nodded. "Welp, I can't because I have the training to do, so.." Hakuji drawled.

I and my friends looked at Rui and Mui, and we all cheered.

《PRESENT》》》
"I hate math," I mumbled. Mui chuckled softly and patted my head. "It's okay. We all do. But Rui hates math the most," Mui said. I nodded. "Yes! I got it!" Selena exclaimed.

"Really?!" Koyuki asked. Kai leaned to see her paper, but Kento pulled him back. "You're in college," Kento said to Kai. "You're not a high schooler anymore,"

Kai muttered the f-word.

"I finally understand!" Selena exclaimed. Miyuka cheered as I and Koyuki asked what her way of understanding was since I should go back to preschool.

"Great. Now, do this problem," Rui said, writing down her problem.

She was given it. "WHAT THE ACTUAL F***!" She cussed loudly. "Hey! No cussing," Miyuka said. "Sorry, brother," she mumbled with her head down.

"That looks hard," Kai said. "Can't you do it?" Selena asked. Kai nodded. "I luckily passed high school. I have college math I have to worry about," Kai sighed. "Your luck is running out," Kento chimed in. Kai whined.

"Welp, I'll do this problem and pass high school!" Selena exclaimed. I cheered for her.

"You can do this too, Y/n," Kento encouraged. I smiled. "Thanks, Kento. You're nice," I said. He smiled a little and patted my head. Mui growled and looked down.

"Okay, you two can do this problem," Miyuka said, giving Koyuki and me a problem. "What is this?" I asked, looking at the problem. "It's a math problem. The same one Selena did. If she can do it, then you two can do it," Miyuka said with a light yet visible smirk.

"No, I can't!" Koyuki exclaimed, holding her head. "I'm gonna fail!" I whined. Mui and Rui bonked our heads with books. "Ow!" Koyuki and I whined. "This is so easy," Mui snarled. Weird. I've never seen him so hostile toward me before.

"You two are exaggerating," Rui scoffed. "Chill. You haven't even tried the question yet," Miyuka chuckled softly. "You two are going to pass high school. Like Kai, for example. He had problems in math," Kento sighed.

"Okay, Koyuki. Let's do this," I said. Koyuki nodded.

》》》》》》》☆

"AH F-"
"Language!"

"I CAN'T SOLVE THIS!" Selena whined. "Megumi! Chill!" Miyuka shouted. "BUT IT'S TRUE!" Selena shouted. Miyuka banged his head on the table.

"You're such a Baka," Rui scoffed with enthusiasm. Selena pouted. "Rui-kun!" She pouted. Rui chuckled softly. "This is so hard.." I whined. "And I'm supposed to be smart like my brother and sister..."

"Ope! I gotta go!" Miyuka gasped. Kento looked up from his book. "Why?" Kento asked. "Baseball practice," Miyuka replied. Kento nodded and waved bye.

"Bye Onii-chan!" Selena exclaimed, hugging the tall male. "Love ya, Megumi," Miyuka said.

☆《《

"FINALLY!" I gasped. "I SOLVED THE UNSOLVEABLE!"

"..... bruh," Mui scoffed. "Good job, Y/n. You solved something no one can solve. What's next? Solving what's 2 + 2?" Rui joked. I pouted. "Rui!" I gasped. "You're so mean when you want to be," Koyuki sighed.

"Thanks. It's my gift now solve this one," Rui said, giving me and Koyuki a new problem. "Um... what's this?" Koyuki and I asked in unison. "A problem," Rui said bluntly.

"It's not hard," Mui said, feeling his hot breath on my neck. "Mui-," I stuttered. "It's true," he mumbled in my ear.

"Ew, they're flirting," Selena blurted out. "Ew," Rui said in disgust. "Ooh~" Koyuki cooed. "Flirting? Haven't you flirted with Yuki bef-" "We don't talk about that, Kai," Kento interrupted.

"We are not flirting!" I protested.
"Oh, is that so?" Rui asked, raising a brow as he smirked. "Yes, actually," Mui chimed in. "Well, to everyone here, it seemed like you two were flirting," Koyuki squealed.

"Ugh," I grunted.
"Want some alone time with Muichiro? Maybe you two should be alone in here and see how it goes-" Kento covered Rui's mouth before he could finish his sentence.

"You are so dirty-minded, Rui," Kai chuckled.
"Welp, I got it from my twin brother. A little bit from my sister," Rui said, moving Kento's hand away from his mouth. "Oh yeah, Tsuki is..." Kai mumbled, blushing a bit.

》》》》》》》》》》☆

"And that Bento was good," I said. "You're a really good cook, Kento," Rui sighed as he washed some dishes. "Thanks. My sister taught me how to cook. Give the credit to my sister," Kento sighed.

"Akemi, right?" Kai asked. "I've never seen her much. Why's that?" Kai asked. "She is in China, Hong Kong. She's performing," Kento replied. "For what?" Rui asked. "A cooking tournament," Kento responded.

"She seems very talented," Koyuki complimented. Kento smiled. "She is," Kento said. "I am grateful to have a sister like her," Kento sighed. "My sister is so cute! Hana is such an angel," Kai chuckled. "I'm an only child," Koyuki sighed. "My sister works a lot," I chimed in.

"My sister is somewhat cool, I guess. She's the only mature one when my cousins come over," Rui said while rolling his eyes. "I don't have a sister, I think." Mui pondered aloud. "You think?" Rui asked, narrowing his eyes at him.

"I don't know! I don't know where my parents are!" Mui shouted. "So do I! My parents just travel around the world for God's sake!" Rui shouted back.

*WHACK*

"Stop acting so foolish," Kento ordered, hus voice becoming threatening. "You two are 16. You shouldn't be acting like this," Kento scoffed. "I'm 17 now," Mui mentioned. "I don't give a f***." Kento said.

"Holy crap he sweared." Kai said in awe.
"You've never heard him swear?" I asked. "Nope. Miyuka and I almost thought he was Christian," Kai shrugged.

"Sorry, Kento. We won't do it again," Rui apologized. "It's alright. Just no arguing in my household," Kento said, voice soft again.

"Now say sorry to each other." Kento demanded. "Is this even studying?" I asked Koyuki. Koyuki shrugged.

"Sorry, Muichiro," Rui said nonchalantly. "Sorry as well, Rui," Mui said nonchalantly as well.