Amagami Ookami to Yuuwaku no Yoru

From Starry Heaven:

The fallen beautiful youth that Kikuno, who works at a clinic, saved, was an incarnation of a wolf. His name was Touga. Even though Touga is an extreme human hater, he becomes attached to Kikuno. The two who live in completely separate worlds finally become strongly attracted to each other... Including the love story of a werewolf and a girl, it's a gem of short stories full of love and smut!