Summary Otona-chan. from Zinmanga X
Otona-chan. summary: High school student, "Otona-chan" is popular among both guys and girls with his cute looks. But instead of being treated like a child, he wants to be treated like an adult and really admires cool adults. And then comes a student teacher to his class, who is very much adult-like and he falls hard... [By Yaoi Desire Revolution]
