“This will be sensei's special lesson... keep it just between us, okay?” Yui-chan-sensei is a charming high school teacher—so charming that her students are always coming to her for advice on sex! But ...

"I'll teach you all about your health, Teacher." After school in the faculty office, a female student before his very eyes, in her underwear! "If I get hard, it's all over with, but I can't control how arous...

Collection of works based on Heart2. Contains the following titles: 1) Magical Comic Heart 2) Utawareru Ato Comic Heart 3) Tenshi no Comic Heart 4) Heart2 Comic Heart 5) Heart2 Comic Heart2 6) Heavens Gate