Chiaki and Kazuma have been brought up like brothers, but as they get older, their relationship starts to change. One night, when Chiaki's staying over, Kazuma is woken by strange sounds coming from the futon next to him, only to find Chiaki touching himself... Kazuma offers to help him out, and his touch confuses but excites Chiaki. As they touch one another, Kazuma sees a look on Chiaki's face he's never seen before... After they come down from their high, Chiaki avoids Kazuma's gaze because he doesn't want Kazuma to see how flushed he is, and also because he's finally realized his true feelings for his friend. Following on from that day, the two of them touch each other like it's some kind of game... ーAkete mo Kurete mo Doting seme x tsundere uke. Childhood friends Chiaki and Kazuma have been dating for a long time, but are not able to clearly express themselves. After moving to Tokyo and spending time apart, these lovers experience a longing that makes their time alone with each other even more dear... 兄弟同然に育った千秋と和馬がそれを覚えたのは、中学3年のこと。 自慰に耽る千秋に気づいた和馬がもちかけたのが最初で、遊びの延長みたいなものだった。少なくとも和馬にとっては。 だから和馬に彼女ができた時も、何でもない顔をした。けれど無理をするほど気持ちのセーブは難しくなって、寂しそうな顔をする和馬に、余計に心はかき乱される。 そうして千秋は、ついに―――。