Souichiro, a perfectly ordinary young man working as a repairman, loses his way deep in the mountains, only to be rescued by a mysterious man. This enigmatic stranger possesses powers completely detached from the mortal world—suddenly kissing the back of Souichiro’s hand, and even taking flight into the sky. To thank the man for helping him, Souichirou ventures back into the mountains. Yet, after meeting up a few more times, the man has lost his memories...?