Koi wo Shiranai Bokutachi wa

Eiji, Naohiko, and Izumi have been close friends since middle school, with Naohiko and Izumi later becoming a couple. Eiji has had several crushes, usually on older students, but remains casual about serious relationships. Now in high school, Izumi has moved away and is in a long-distance relationship with Naohiko. Eiji, still single, begins to question if something is missing in his life. He avoids Ikezawa, a strict and hardworking classmate, and is aware of Taichi, a student from another class who is infatuated with Ikezawa. As these characters navigate their experiences, a romantic story involving six individuals unfolds, all of whom are unfamiliar with love. The story includes two additional chapters.