Super-cute and popular high school girl Ohashi Akko has transformed her new friend Mariko in more ways than one. Not only has she inducted Mariko into a circle of new 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 emotional hurdle one would expect from a burgeoning romance between high school girls. One big question remains: are they ready to face the world as a couple?