学園一の美少女と付き合えたのに、地味子がエロ過ぎて. [JP+ENG]

With the long-awaited girlfriend finally in sight, the protagonist’s school life was promised to be smooth sailing.
However, at that time, the protagonist, due to a certain motive, failed to notice the spider creeping up on him…

But that’s understandable—

Because that spider was a plain-looking girl who would normally go unnoticed…
Yes, just an ordinary, unremarkable woman…except for one thing…​