"Outside the Law"
- bottom likes top first
- idk if top likes someone
"Unreachable"
- idk how to explain this one, but there's drama and kinda messy
"Love Rival is getting Prettier Everyday"
- transmigration/system
- top doesn't necessarily like someone else
"The Protagonist Only Thinks About Falling In Love"
- 2 stories so far
- 2nd story fits your description except the part where the top likes someone else
"Blood Link"
- omegaverse kinda
- top is just confused with how he's supposed to feel towards bottom because of his past
"Fatal Scents"
- omegaverse
- confusing and alot of drama
"How to Snag an Alpha"
- bottom really tryna get top
- top doesn't have someone he likes, but he does have sex partners
"In My Closet"
- bottom definitely likes top
- vague explanation on whether top likes someone before
"Heart Stain"
- totally fits your description
"You Own My All"
- doesn't fit description
- top going back to past
- bottom is just a loyal main wife and top realizes that
- past timeline: top neglected bottom
"After I Left You"
- regret
- top doesn't have anyone he likes, but he isn't serious or owning up to the "relationship"
hi, rec pls BL where bottom starts liking the top (or already likes the top in the beginning of the story) but top likes someone else at first. happy ending for them. manga/hua/hwa or novel OK