Responses
http://www.mangago.me/read-manga/my_quiet_best_friend_s_just_tongue_tied/
I think this is the one your are looking for ٩(๑❛ᴗ❛๑)۶
If I'm not wrong the is
My best friend is tongue tied
Cheers x was this
Yaoi manga about a guy who can see people sex drive. He sees his friend who is always securely frustrated and helps him.