A manga artist named Uchida Momoko resides in Tokyo at a high-end apartment building. She is older, divorced, re-married and has a grown son. Mizuki is her girlfriend and is a neighbour. They soon have another neighbour. She is a newlywed named Rumi who moves in with her shiny new and sparkling husband. Guess what? The husband is Momoko's ex from some twenty years ago. Will they remain civil or will old feelings and angst come to the fore?
