Responses
You should try this series by Ike Reibun. It’s about the yakuza/mafia so a lot of things go down. They would literally die for each other!!
http://www.mangago.zone/read-manga/bi_no_isu/
http://www.mangago.zone/read-manga/kobi_no_kyoujin/
http://www.mangago.zone/read-manga/bi_no_kyoujin_smoke/
looking for Manga/webtoon were the seme and the uke are a wicked/criminal couple but they love each other so much, that they would die for each other...? plsss help :3