Black Butler - Bocchan, There's a Problem (Doujinshi)

In the Bocchan Taihen Desu! series:

V.1 - Onyankohen

V.2 - Maniac Kanzenban

V.3 - Onyanko Kansenhen

Pairing: Sebastian x Ciel
Ciel is troubled by his cat-like appearance, and Sebastian is jealous and unwilling to help...