Oujisama no Obenkyou

A prince's tutor attempts to teach him about intimacy, but the prince insists on a demonstration. A childhood friend, once small and loyal, has grown into a tall, untamed young man. At a video rental shop, temporary staff become romantic partners, and one employee develops feelings for another but cannot express them. A man feels insecure after realizing he is now shorter than his childhood friend. A boy learns his neighbor is moving away and decides to keep him. A roommate regularly asks the hero to pose nude, and the hero agrees, eventually facing a dangerous situation.