A lonely teenage girl falls in love with her foster-brother as she watches him leap from a high diving board into a pool - sparking an unspoken infatuation that draws out darker possibilities.

A young woman records the daily moods of her pregnant sister in a diary, but rather than a story of growth the diary reveals a more sinister tale of greed and repulsion.

Driven by nostalgia, a woman visits her old college dormitory on the outskirts of Tokyo. There she finds an isolated world shadowed by decay, haunted by absent students and the disturbing figure of the crippled caretaker.