We're both a bit mad, so let's get along

Haruki, who had confronted a shoplifter only to be framed as the culprit himself, was saved by Keigo, a customer who happened to be present. From then on, they began meeting frequently, and Haruki grew increasingly fond of the easygoing, big-brother-like Keigo. One day, Haruki witnesses Keigo being assaulted by his flatmate, Maya. Though unsettled by the strange tension between them, Haruki, wanting to help Keigo, tries to intervene. But Keigo is a man far removed from Haruki's ideals—!?