oh I just read one that's kinda
http://www.mangago.me/read-manga/ore_no_kaikata_shikarikata/
but idk if you'd consider it frotting here's the page(s)
http://www.mangago.me/read-manga/ore_no_kaikata_shikarikata/mf/v01/c003/25/
Have at it, lol.
https://www.mangaupdates.com/series.html?category=Frottage
It was here http://www.mangago.me/read-manga/ore_no_kaikata_shikarikata/mf/tr_chapter-2/pg-32/ and it was perfect ε=ε=(ノ≧∇≦)ノ thank youuuu
Hello can you recommend me some yoai with frotting, I don't care if it appears just in one page! But not threesome or sleeping around please :)