In Japan's Aokigahara Forest, a troubled teacher meets a mysterious lost stranger who takes him on a life-changing journey of love and redemption.

Higanjima is an eerie island occupied by vampires, from where none has ever come back alive. When teenager Akira hears that his missing brother has been seen in the island, he decides to investigate with several friends.

The story of a teenage boy named Yu, who falls for Yoko, a girl he runs into while working as an "up-skirt" photographer in an offshoot of the porn industry. His attempts to woo her are complicated by a spot of cross-dressing – which convinces Yoko that she is lesbian – dalliances with kung-fu and crime, and a constant struggle with the guilt that's a legacy of his Catholic upbringing.