The unconscious passionate pheromones of a substitute teacher?! The fierce approach between a striki...
Hmmm, okay so the story goes like... He, Reiya, saw sensei as someone who falls on his looks and had no interest on him and it's the first for him and so he, reiya, started having a drumroll competition inside his heart and butterflies started growing in his stomach until he finally realized he likes sensei a lot. And sensei, seeing Reiya as someone very caring and started realizing that he's the one he wanted to share his life with. So yeah, that's basically it, kinda familiar troupe but beauti