Idk this sounds like a couple of stories I read, but maybe it's secondo piatto??
I'd bang you so hard on a table while you would be dripping with cum
is it this?
Kiken na Otonarisan
Could it be this? But the uke and seme are not high school friend here
https://www.mangago.zone/read-manga/what_s_the_probability_of_a_successful_love/
Yes, this is the 1 i'm looking for.... thank you so much (☆▽☆)
it's yaoi manga... can't remember much on the details... the uke used to have a hidden feeling for his friend (the friend is married). the uke, seme and the friend are high school friends... the uke and seme are kinda like in sex friend relationship, and the uke goes over to the friend's house and tells them he love life which catches his friend a surprise not knowing