時本 伊知郎

Kaede's roommate who is constantly immersed in research and development, in fact owning some patents himself. His high aptitude for school has alienated him from others, leading to his lack of friends much like Kaede.

This calm and intelligent guy finds himself in a variety of erotic situations, and in the process of mixing an antidote gains the attraction of the person himself following an exploration of every inch of Kaede's body...

Ichiro is much bolder than Kaede.