Invisible / Toumei Ningen

Every boy in childhood dreamed of becoming invisible and sneaking into the girls' locker room. And in this hentai, the dream of many was fulfilled... The main character, Mie-kun, picks up a strange package that fell out of some old man's pocket. Curiosity got the better of self-preservation, and he took a pill. Imagine his astonishment when he realized that he had become invisible. So, for the experiment and to make sure he wasn't delirious, Mie goes to the locker room of the local women's bath...