Kareshi Kanojo no Jijou

The manga tells the story of a Japanese schoolgirl named Yukino Miyazawa. She recently moved to high school, and her new classmates rightfully consider her ideal. She is beautiful, smart, gets the highest grades in her classes, is good at sports, and is also modest and always ready to help. But no one in the class realizes that this is just a mask that Yukino takes off when she comes home. In fact, the meaning of her life is to bask in the rays of fame, for which she is ready to sit at night studying or secretly train until she sweats. She conquered everyone in elementary school and hoped that this would continue in the future, but she was in for a huge disappointment: she has a rival - Soichiro Arima, who is not inferior to her in anything. He is handsome, smart, a good athlete, modest, the only son of the director of the city hospital. Relegated to second place in the popularity rankings, Yukino decides to use the dirtiest methods possible to destroy her rival.