Seito no Shuchou Kyoushi no Honbun

Summary

1-2) Student's Request Teacher's Duty Yahiro sensei is adored by all of his students, especially the girls, but it's male student Koga that Yahiro can't stop thinking about. But as much as they love each other, Yahiro knows that the affections of a teenager can be precarious. 3) Sakase! Takae no Hana Nozomu's father has recently remarried, and his new step brother is super popular Sudou sempai. Sempai is very affectionate with his new little brother, and Nozomu's trying not to let the attention