Master and Doggy

Earnest college student Yuuji Uehara is head over heels for the cold, bespectacled Professor Tatsukawa!! But, no amount of fawning will win over his professor, who is a hardened misanthropist... "That's it! If I'm not human, he might like me!" When Yuuji appears before him in a dog costume, Professor Tatsukawa starts giving him orders. What kind of orders, exactly...!?

(Source: Renta!)