One summer day, a junior high girl named Ryuka accidentally kills the girl who was bullying her. When Ryuka said she is going to go somewhere far away to die, Chihiro told her, "Take me with you," and the two set off on their escape. However, when the police caught up with them, Ryuka left Chihiro behind and took her own life. Thirteen years later, Chihiro is an adult, but he is still unable to forget Ryuka, and he lives his life in apathy. Until Ruka, a high school girl who looks very much like Ryuka, comes into his life. (Source: Kadokawa, translated)

My best friend and my boyfriend may have betrayed me, but somehow, I managed to turn my entire life around with the help of a hot CEO?! Koharu, an office worker, has been dating her boyfriend for almost two years and is expecting a proposal any day now. Her best friend and coworker assures her that their upcoming anniversary will be an unforgettable memory... or so she claims. However, on the day of her date, Koharu accidentally crashes an engagement party for none other than her boyfriend and her best friend! Her boyfriend accuses her of lies she doesn't even remember, and she's surrounded by icy glares from every direction. With no one to turn to, the person who comes to her rescue is none other than a handsome CEO, a client from her dinner event. Why is he saying that he was about to ask her out?! Suddenly, she's whisked away from the depths of despair and into a brand-new life...! (Source: Coolmic)

In the spring of her senior year of high school, Ryukka Borg, the world's first AI cartoonist, transfers to Yuka Amaryu's class. Ryukka was created based on Yuka's personality when she was an eighth grader who participated in an AI development experiment. Yuka, who once aspired to be a manga artist herself but gave up on that dream, distances herself from the successful Ryukka. When she is asked to run for the student council, Ryuukka asks Yuka for a condition in return. Why did Ryukka transfer to this school? And what does she want from Yuka? (Source: Ichijinsha, translated)