The main story is about the butler who secretly lusted over his young master, then there's story about student getting raped by "ghost" who turns out to be his friend who had crush on him, then story about childhood friends who got mysteriously tied up together in a cabin with one of them manage to free himself and then fuck his friend, about rabbit/fox racing thats a bit rapey, and finally co-workers with one of them having huge dick
Shitsuji Kanzaki No Yuuutsu