Raito's "boning up" for his college finals, and calls Hiroya to help him study. Hiro rushes over straight from the gym, and Raito sneaks a peek as he strips down to change into street clothes. He even grabs Hiroya's undies to get a sexy sniff. Hiro's a little pissed that his student is so easily distracted, but teaches him a hard lesson that rocks his gonads.