Otona nya Koi no Shikata ga Wakaranee!

Mio Sudou appears successful and confident, yet five years have passed since her broken engagement without another relationship or much interest in romance. At a group date she meets Shuuji Mashima, a polished consultant who claims he has not been interested in women for years. His attitude irritates Mio enough to challenge him, and their confrontation reveals that neither of them is as indifferent to intimacy as they believed. What begins as an attempt to recover feelings they thought they had lost gradually becomes harder to dismiss as mere curiosity, especially when the person each desires most may be standing right in front of them.