Natsuki is a boy who transforms when he is kissed by someone he loves.
The protagonist returns to the town where he spent his childhood, and on his first day at his new school, he gets into a scuffle with Natsuki, the student council president, and they accidentally kiss. Natsuki then transforms into Natsumi, a boy the protagonist had loved since childhood. The shy Natsumi had been transformed into the confident Natsuki by the power of a drug the protagonist had given him in the past. The protagonist tries to change him back to Natsumi, but Natsuki won't let him kiss him. To make matters worse, the vice-president, who Natsuki likes, also gets in the way. The protagonist's love has a difficult future. What will happen?

The scenario was written by Kyoo Yamaguchi, winner of the Boys Magazine Novel Award, and the illustrations are by Kinako Fuzuki, making this a high-quality, authentic boys' love story.

[From webarchive aquahouse]