Seggzual Education with Nakahara Chuuya

When Dazai informed him, he didn't want to believe it. But after observing carefully, he realized it was true: Akutagawa and Atsushi were dating. So, as a responsible adult (and because entrusting such a delicate matter to Osamu would be extremely foolish), Nakahara Chuuya made up his mind. It was time to teach the young lovers about sex education.