Welcome to the nightmare game
i recommend you Define The Relationship and Koi ga Ochitara
Star Catcher (webtoon)
Who can define popularity
Here u are
StarScraps (webtoon canvas)
Intoxicated (or Ni Jiu)
Mr. Snail
Death delayed by a will
The Most Ordinary Relationship, they made their relationship work for ten years:
https://www.mangago.zone/read-manga/the_most_ordinary_relationship/
Please recommend a BL and they're both Green Flag and worth reading, thankyou