JAV48

My sister-in-law, who I suddenly had, is a shy person whom I can't get along with at all! Naturally, all of her friends are also nerdy, in-the-shadows nerds! She's on the verge of having a sex fantasy in her head! She saw my erection by chance and asked me for my dick, forgetting about herself! When her otaku friends find out, the erotic knowledge she has gained from erotic manga erupts, leading to an orgy and a series of high-tension climaxes and Nakadashi! She reacts to the excesses of the erotic manga by making a goofy W-piece face, and goes straight into a perverted state! The sisters-in-law are at the mercy of the "perverts"!