i remember reading a manga years ago where one (or both) guys were musicians (violinists?) and they had sex in the bathroom at a recital. not sure if these details are 100% accurate but even loosely similar answers could help.
https://www.mangago.zone/read-manga/iki_dekinai_no_wa_kimi_no_sei/ this?
unfortunately not, but i appreciate the answer and will definitely be reading this one!
i remember reading a manga years ago where one (or both) guys were musicians (violinists?) and they had sex in the bathroom at a recital. not sure if these details are 100% accurate but even loosely similar answers could help.