Love Between Adults is Awkward

Overview

Ukigaya is a lively man in his 40's who's decent at his job, single, and hasn't had a partner in years. One day he meets Shindo, an elite younger man who is incredibly good-looking. Their relationship is strained at best, as Shindo is always bossing him around and looking down on him. Upon noticing how attractive Shindo is, Ukigaya, who spent his youth seducing any attractive straight man he could get his hands on, wonders if he would have gone after him back in the day. Initially, he laughs off the thought. But what will happen to their relationship when he discovers Shindo's big secret? An age gap romance between a sharp-tongued younger man and an older former man-eater! (Source: BookLive)

Source: AniList