Uchi no Ko ga Gomeiwaku Karimasu.

Hiroki, a single father, is facing some difficulties with his next-door neighbor. Hiroki is a highly dedicated businessman who shares no common ground with the younger and flamboyant Shohei. However, things take an unexpected turn when Hiroki's son, Hideki, begins frequenting Shohei's apartment and causing disturbances. Shohei criticizes Hiroki's parenting abilities and even accuses him of being sexually frustrated, leading to Hiroki forgetting to apologize, which results in a heated argument between them. In the midst of their confrontation, they accidentally kiss, marking the beginning of a new chapter in their relationship...from Renta!