
My apologies, but I've read far too many to name drop BWAHAHA! ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄
However, here are some of my favorites (please go to 'novelupdates . com' and search for them, you can see reviews and links there!)
My Husband is Suffering from a Terminal Illness
Accidental Mark (RARE transmigration seme MC! + omegaverse)
Rebirth of a Movie Star
Superstar Aspirations
A Contractual Marriage with the Best Leading Actor
After I Transmigrated As A Fake Young Master, I Became Popular
If I remember correctly, they all deal with showbiz. Hope it helps!

Haven't read novels for long time so i don't remember much. I can recommend one that i remember.
1. Rebirth of Supermodel: (My 1st showbiz novel). I really like this one. Super OP, Sassy, Bitchy MC(uke) and Equally OP, Blackbellie ML (Seme). Both are power house and revenge was kiss~
2. One Useless Rebirth: Mc(uke)a photographer while ML(Seme) an Actor. MC regress back to time, don't know why, thus one useless Rebirth. This was really good.
3. Transmigrated into Big Boss to snatch away the cannon fodder: MC (uke) big boss ceo and ML (Seme) an actor. I don't like this one because i hate uke. Especially the way he behave toward ML (Personal opinion) but lot of people enjoyed the story, so you might also.
4. Marriage of a sickly Villain and a fortune hunter: Slightly Similar to my husband suffering from Terminal ill. MC(uke) Transmigrated into novel cannon fodder body and marries the villain ML(seme).
5. Very Happy: No rebirth and MC they Dumb naive innocent type but it was good.
This regression trope, particularly with an MC in showbiz and ML as corporate CEO, has been huge for a while in danmei... I really hope we get to see more novel adaptations and manhwa with this trope! ლ(´ڡ`ლ)
That being said... It's definitely not the best I've read, but it's still cute, and I like their relationship for the most part. It felt quite rushed towards the end, but I guess most things got solved one way or another.
One difference with danmei is that another popular trope in these storylines is when their relationship is finally public and then they get married. I kinda hoped to see that, but this is fine too, I guess?