Super-cute and popular high school girl Ohashi Akko has transformed her new friend Mariko in more ways than one. Not only has she introduced Mariko to a new circle of friends and helped her overcome her shyness and sense of isolation, but both girls have awakened feelings they never knew they had. In the course of their evolving relationship, Akko and Mariko have struggled against every type of hurdle one would expect from a burgeoning romance between two high school girls. One question remains: are they ready to face the world as a couple?