http://www.mangago.me/read-manga/terebi_kun_no_kimochi/. Starting with ch5. Uke was told or overheard how gross he was because he got so into sex. Maybe this?
Long shot but maybe? http://www.mangago.me/read-manga/fingertip_s_love/
http://www.mangago.me/read-manga/ore_no_shiranai_murakami_kun/. There's this one... I'm adding mangas as I'm searching so sorry if it's too many replies. (⌒▽⌒)
do you know yaoi where the uke told the seme that he afraid to be touched just bcoz he want to hide his feeling. i thing its one part of manga