Manga by author Ichigaya Moru - Status ongoing

A threesome story featuring a doting top, a virgin puppy-like top, and a straight-laced bottom with a hot-and-cold personality. Robot developer Eiji lives with an android named Theo, but they're caught having s** by Theo's identical android copy, Theo Two. Before he knows it, Eiji ends up giving Two a hands-on s** education using his own body?! A spinoff story of the comic serialization, Type Aid.