Hana Ishimori, who was called "Stone" in junior high school, enrolled in Yamitsu High School, which has a free school style, in order to change herself.　　Sitting next to me in the same class was Kai Miura, a cool and free-spirited "lemon soda boy" with lemon-colored hair.　　In fact, Hana met Kai only once when she was in junior high school, and that one word led her to decide on high school.　　For Hana, the world of popularity is far away.　　For some reason, such a world begins to take care of Hana.　　With Kai's back, Hana gradually blends in with the class.　　The world of Hana will change more and more depending on the existence of the world.　　In the middle of the endless light, I am now