ATID-660 A big sister at the adult recluse support center who responds with a smile no matter what. Miisono Wakaba.

Kazumi, an employee of the Hikikomori Support Center, is dispatched to Makoto, who has been holed up in his room for many years and disconnected from society.``You hypocrite, are you doing it for the money?! I can't trust you!'' ``I'm on Makoto's side, please trust me.'' ``Then take it off and clean yourself naked! Then I'll believe you.'' ``...Okay. Then you'll believe me, right?'' Makoto gradually opens up to Kazumi, who accepts any unreasonable demands with a smile.Attracted by Kazumi's enveloping motherly nature, he gets to know a real woman for the first time and begins to express his lust for her...