An unexpected love quadrangle with a dash of unrequited love as two classmates, a boy and a girl, begin to fall for each other when each of their same-sex best friends have already fallen for them. For some reason, Taichi Ichinose just can't tolerate Futaba Kuze. But at the start of his third year in high school, he finds himself in the same homeroom as her, along with his childhood friend and school sports star Toma Mita. But one day Futaba opens up to Taichi, admitting she has a crush on Toma and asking for his help in confessing to him! There's just one problem--Toma seems to already have a secret crush on someone else.

Reads from right to left. Translated from the Japanese. Translation of Ao no flag.