the story follows 2 idols i think or in a group i forgot they were reading fan stuff and aw yaoi books / doujins of them together and were flustered but then got drowsy or tried doing it exactly as the book said and i thinkkk they eventually got together? sorry i dont remember it that much
pretty sure its this
https://www.mangago.me/read-manga/oretachi_namamono_desu/
hey guys pls dont put the endings here if possible i am inexcusably curious and cannot stoo it. also WHY IS THERE A ROUTE TO MARRY ONE F HIS BROTHERS