Pain princess rivals are hidden nerds (1 volume in total)

Publisher: Shodosha
Author: Katsura Nanaki
Size: 128mm x 182mm
Number of books: 1
Language: Japanese
Category: Female manga, manga
Latest publication date: 2013-07-25

Synopsis:
Former Hikikomori vs hidden geek
Erotic cohabitation life of a former Hikinito and a geeky chara man who is 0.
...?!?

Keita (Keita), who moved to Tokyo, moved to Tokyo and was promoted to a shy nerd (level up) (?).
The cohabitation life of my lover, Momose, is full of stimulus to 3P with the pillow and bath play ...?
At that time, Narizawa was a high school classmate in Momose.
Narizawa, a hidden nerd, approaches Momose when he matches the same nerd.
It was Keita who lost confidence with inferiority and inferiority that he was losing in everything ──?