Bathroom Allegory

From Shoujo Manga Maniac:

Four dream-like short stories.
Mari Okazaki can alter appearances like fun house mirrors at an amusement park. The short stories blossom to reveal a medley of surreal characters.
The virtuoso stroke is like the thread that weave an exquisite lace of memories, tenderly reconstructing the ghost of a man…
A woman tries to hold on to her lover in an unexpected way…
Pierrot takes a hostage…
A young couple meet a strange woman who seems to know them…