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 sex by Theo's identical android copy, Theo Two. Before he knows it, Eiji ends up giving Two a hands-on sex education using his own body?! A spinoff story of the comic serialization, Type Aid.