Addictive pheromone" Kido, the character of the class. Something happened to me, and I fell in love with Hino-senpai, a beautiful girl who gathered the eyes of the school. Every day, my seniors' excessive skinship is escalating. .. .. "After closing the library" A literary busty senior (love novel lover) x a serious Yankee-style boy (like a senior) is forbidden in the library after school (?) Affair! What is the hidden astonishing secret of a gentle senior !?