[As I titty fucked my brother-in-law's cock, I realized how good our compatibility was...] At first, I felt guilty. - Because of me, my brother-in-law was injured and was inconvenienced, so I couldn't refuse his request, saying, ``I can't do it myself, so please let me feel refreshed.'' If it's just tit-fuck, then if we don't have sex, it's cheating. - Must not be. - That's what I thought. - However, as I kept pinching it over and over again, I think the urge to insert it began to rise within me...