Gakkōde wa dameyo ♡〜 oshiego no hahaoya wa moto Kanodatta ~ Raw
His 3 years of ordinary life as a teacher has turned into a turmoil! Ki-joon is invited by his colleague, Teacher Yeon-woo, a carnivorous girl, to spend the night with him. I thought it would be a simple incident, but now my ex-girlfriend, who has come to act as my guardian, and my former student, who has now become a teacher, are aggressively approaching Ki-joon... "This is not okay at school!"