Konatsu was asked by the teacher to deliver the lecture notes the mysterious student Yamada Kei, who hasn't been to school. Miyabi also accompanies Konatsu to Yamada's house only to find out... he's an otaku and he said some rude things to Moa. And then... the three's spring and romance starts soon...?! (Source: MU) Included one-shot: Volume 3: Hetayan!!