Master and Dog

あらすじ

University student, Uehara Yuuji, is an earnest guy with slight masochistic tendencies and he happens to be totally in love with the cold, glasses-wearing Tatsukawa-sensei. Ever since he first spotted the Sensei, he's confessed his feelings time and time again only to have the antisocial Tatsukawa-sensei refuse every time. "That's it! If I'm not human, he'll fall in love with me!" Sensei then orders the dog cosplaying Yuuji to do what? (Source: Blissful Sin)