can someone help

This manga is about a man (silver hair), looks old, but not really. Who almost got raped(?) In a deep forest.. and then this beast long hair come to rescue him. And then they become friend, but this beast is so shy, even tho this man always tease him and taking like him too.

This is so well known. I just dont remember the title. If u know the author acc, pls tell me too.. thank u!