Boom! Boom!

Natsuha Mai is a 17-year-old high school student. She begins to work part-time, during her summer vacation, at her uncle's batting cage center. There, she meets a mysterious man named Ito Tomohiro. He is a former professional baseball player and he claims that he can discern a person's worries by looking at their batting swing. Ito Tomohiro comes to the batting center every night that Natsuha Mai works and watches female customers take batting practice. He tries to solve their worries by using baseball theory.

Wealthy heiress Catarina Claes is hit in the head with a rock and recovers the memories of her past life. It turns out the world she lives in is the world of the game Fortune Lover, an otome game she was obsessed with in her past life... but she's been cast as the villain character who tries to foil the protagonist's romances!

Amane Todoroki is a young girl who is straightforward but also unthinking. She will try her very best in everything and say, "I don't know how to answer you if you ask me whether this can be done. I just believe it can. If not, then nothing will get started!" She easily gets stuck in her thinking, but she can also get easily moved at something small and start crying.

Popular football player Anton Kovalev, after spending two years in prison for a drunken brawl in a cafe, is released. The offense blocked the successful career of Kovalev, who was previously the captain of the Russian national team. The reputation of a "downed pilot" does not allow him to continue his favorite business and get a prestigious job. The head of the center for difficult teenagers, Herman, who once raised Anton, offers him a place in the center to prepare difficult children for the local Olympics. Out of desperation, Kovalev agrees to the offer, but he does not even imagine how difficult it will be to find a common language with the guys, and what an important place they can take in his life.

Trapped on an island destroyed by a tsunami, the students of an elite school try to hold on to hope. But mysterious forces seem to work against them.