hey everyone! im looking for a yaoi where the couple is reversible i remember that the "...

hey everyone! im looking for a yaoi where the couple is reversible i remember that the "seme" is older and they knew each,other when since or when they were younger and there's also a box involved in the story...? the seme didn't want to bottom at first because he had an horrible first time with an older men before and now he treats "all" his partners with care except for the uke i think he hurt him the first time they did it! thats all i remember, thank you in advance!ヾ(❀╹◡╹)ﾉ~