Asano Mamoru, a detective from the Homicide Division, investigates a certain case with Honma Yuto, who has come to assist from the Community Safety Division.

As they spend time together, the two begin to develop feelings for each other.

However, Asano still kept the ring he was meant to give to his ex-girlfriend, even five years after their breakup. Honma discovers this.

What will be the outcome of their love, despite the various twists and turns they face…?

*This work is also published on AlphaPolis.