300MIUM-1421 [Newcomer] A plain-looking science whiz with little experience with men… but she actually has big boobs and is super sexy—what kind of erotic manga is this?! Kumagai is super cute—I’ve noticed that!!

Movie Information:

[New Release] A nerdy science whiz—a plain-looking girl with little experience with men—but… she actually has big boobs and is super sexy? What kind of erotic manga is this?! Kumagai is super cute—I’ve noticed that!!