First, Kaitos Blue Flag made waves digitally in Japan through the Shueisha app and then on Twitter, and now the analog hype has followed. The story about young, pure love begins when three high school students meet during their senior year. All three are equally anxious about what life after school may hold for them. Taichi Ichinose is supposed to help his classmate Futaba Kuze get a date. A date with his best friend and, by the way, the most popular boy in school, Touma Mita! The first problem arises quickly, as while Taichi is trying to set up the girl, he unexpectedly falls for the school's superstar himself. Problem number two: Touma has secretly been in love with Taichi for a long time. Nice, difficult, and heart-wrenching days await the main characters and the readers!.