Summary Real Eroge Situation 2 Ep. 2 Hentai Anime
A boy with an absolutely insanely overactive sex drive puts all of his energy into his "special book". He accidentally left it behind in a classroom one day and to his surprise one of his classmates was touching herself while looking at it!
That happened a bit ago, now he is in a full on harem lifestyle with more girls throwing themselves at him than he can keep up with!