"I want to have it. That was all." Chikara is a university student working diligently on his research, in order to achieve his childhood dream. One night, he witnesses a secret on the back of the transfer student with perfect looks and intellect, Satomi ?— and his beauty sets Chikara's body on fire. The two quickly grow closer, but there's a side of Satomi that Chikara doesn't know about...!? This is a story of the darkness on Satomi's back, hope and rebirth. 力良は子供の頃からの夢のため研究に励む大学生。ある晩、頭も顔も完璧な編入生・里見の背中の秘密を目撃し、その美しさに思わず身体を熱くさせてしまう。急速に距離が近づいていく二人だが、里見には力良の知らない一面があって……!?　背中に浮かぶ闇と希望と再生の物語。