https://www.mangago.me/read-manga/gyangu_no_kai_kata/
Maybe this one
https://www.mangago.me/read-manga/gyangu_no_kai_kata/
Maybe this one
https://www.mangago.me/read-manga/gyangu_no_kai_kata/mdx/iur_chapter-6/pg-1/
this is the only one that I remember
Oh my people in this site reply faster than my professors. Thank you! I shall read the manga
Ah it is this one thank you, kind fellow!
Does anyone here knows a bl where they were doing it and the top was saying smth like "you know, you keep saying "iku iku" and what does that mean?" Smth like that. Judging from the dialogue, i think it's an interracial couple