The hero, Kojiro Fukagi, is an ordinary young company employee who does not have any particular affairs.
Such boast of him is a wife · Tomonami who got acquainted during college days and got married with graduation.
Her presence, both personality and style, made it happy even in ordinary everyday life.

The only complaint, however, is that she is out of sexual acts, shy and embarrassed and will not become active in sexual life.
Kojiro, who is still young and sexually desperate, thought from my everyday that he wanted to be more pleasant by doing a variety of acts with my beloved wife.

One day, when I talked about a little dissatisfaction with the elite employee who is a colleague of the company, Kurume Tatsuki,
“We had something good”, a special made mentality drug.

When drinking it and looking at the night life, Tomonami was disturbed violently as I had never showed before, and exposed
to the hero a greedy search for pleasure.

The hero who accepted the invitation to teach more rich and exciting play will cooperate with him,
photographing play, swapping, etc. … to pursue more intense and exciting acts.

Keep aware of nothing in a meaningful smile floating on Kume ‘s mouth … …

(Google translate)