From Blissful Sin: Momo, with no ambitions, is the ultimate bitch, scum, good-for-nothing guy. Yata-chan is a chill, caring, and naïve youth. During their meeting in a public bathroom when he was in the middle of “cleaning up”, Momo takes advantage of the goodness of Yata-chan, and comes rolling into his home. While spending time with him, little by little, the good-for-nothing Momo changes… At that moment, Momo’s former patron— Erotic comedy! And yet it touches your heart and brings tears. This is volume 1 of the Harada World Explosion!