this one maybe?? https://www.mangago.zone/read-manga/naka_made_aishite/
Pffftt, you and I went through the same thing today. The manga is called senpai, naka misete. I couldn't find it here unfortunately tho I've found raws
LMFAO i just saw the tweet im coming mangago from it
No... It's not this... Thank you
YES HAHAHAHAHA THANK YOUUU
I have a very minimum information about it I saw this one tweet (the tweet is gone), op said about they didn't read yaoi to their friend and to prove their statement, they choose a random chapter and turns out the panel shown is uke spreading his leg and seme is....shooting? OP SAID PEEING, NOT ME BUT OP. SEME PEED IDK seme have black hair and uke have purple hair inside the cover. Uke in the cover looks like a shota and when he spread those leg, he looks manly asf. Idk. And yes it b/w manga