「It's not okay, you know. Because you're so nice to me.」 Oda, a student, has feelings for his homeroom teacher, Shihou. Even though he knows it's impossible, he wants to convey his feelings to Shihou... Amidst the days of distress, a turning point arrives. Shihou's friendly conversation with a fellow teacher. Their special relationship is obvious at a glance. Oda, trembling with anger at having his feelings trampled on, begins to plot a selfish plan.