What's that Yaoi called? O.o?

ok so! Ive been looking all over for this Yaoi that i saw a clip of. The seme has white hair and green eyes and the uke has purple hair and blue eyes. The uke is pretty younge and wears a maid outfit sometimes. So i guess hes a maid..i dont know! xD if anyone knows anything id be seriously greatful! ^w^