After weeks away on business, Yuzu returns home to find out that she and Mei have a visitor. After accidentally waking, their guest, what follows is a series of conversations that have Yuzu and Mei reliving some of their most difficult moments as a couple while keeping their new family grounded.

Yuzu is a greenhorn detective with the Tokyo Police Department. She's rash, emotional, stylish and utterly unfit for the job yet she won't back down despite getting entangled in one of the biggest cases to ever land on the police's lap.