Replying cuz i need this
You can find here with this tag
https://www.mangago.zone/tag/nipple%20play/?page=1
Also the first one in the tag might be what you want.
https://www.mangago.zone/read-manga/chiku_bingo/ hilariously done too
https://www.mangago.zone/read-manga/my_pretty_pink_secret/ basically what the whole story is centred around
Thank you guys !
Do you know any BL with a lot of nipple play