好みのタイプは年下幼なじみ

Three years after leaving his hometown to study in Tokyo, Taku comes home to see that his adorable younger childhood friend Keisuke has grown up to be a fine, fine man. What's worse, buff, tall Keisuke's become the exact kind of man Taku would love to have in bed! Taku knows he's gotta keep it all in if he wants to save their pure-hearted friendship, but how's he gonna do that when Keisuke's just seen one of his very special magazines? (Source: Futekiya)