When I post a video of myself performing as a woman on the Internet, I become famous as a mysterious high school girl Internet musician (though I’m a guy). However, my secret is discovered by my music teacher, Misao Hanazono-sensei, and I’m forced to work around her to keep her mouth shut… My high school life, which was supposed to be tasteless and odorless, was turned upside down by three girls I met through Hanazono-sensei. – “Rinko, the twisted genius pianist” – “Shizuki, the flower-arranging princess drummer” – “Akane, the school-skipping vocalist” Boy Meets Girl, a story of love, youth, and bands!

Kirika Hijiribashi is the Executive Committee Treasurer managing a high school Student Council budget of 800 million yen. She is also the only committee member with an additional title: Student Council Detective able to sniff out amazing solutions to bizarre cases. Hikage Makimura, who recently transferred into the high school, finds himself not only tricked into joining the Student Council, but is now assigned as her assistant.

In the near future, the existence of a monster that drinks human blood has been scientifically recognized. To protect people from this bloodsucking species, the "Investigative Section 9" is established, and the only member is a beautiful girl named Rinko Sakurayo-- a vampire that hunts vampires. A stupid but enthusiastic rookie, Kengoro Kirisaki, is assigned to be Rinko's partner, only to have his blood sucked by her?! The two gradually deepen their bonds as they hunt down the "Kingdom" organization that spreads blood infection― (Source: Official Publisher, translated)

An adept mahjong player is coerced into playing in a high-stakes, life or death gambling den.