It's called คนขี้ลืมไม่ลืมเธอ (Forgetful). The TikTok version is a cover by Aom Nattaya Yodsorn (first video). The original is by KAT PAT (second video, MV). Good luck on learning!
One of the wives of the rich family is siblings with Baifern's dad. She's the one who brings her to the rich family's house.
People hate Koson (Baifern's dad) and the family because he is a rebel. At this time, which was during the war, I believe rebels weren't well liked and they had to be...
Translation to the teaser:
Yaya: I ran over and hit someone. No.
Mark: Your money cannot buy me!
Mark: I will make you see that righteousness must be above everything! ~ Louis: Satit!
Toey: This is probably the last time I will see you outside of jail. ~ Louis: Jee!
Mark: You can sleep with any...
It’s Mistress Ultimatum by (Sali) Khanittha Thidathai (คำขาดเมียน้อย by (สาลี่) ขนิษฐา ธิดาไท). You'll have a better chance of using the Thai alphabet to find her if you intend on doing so.
English sub for the teaser.
Yaya: I ran over and killed someone.
Yaya: No!
-Mark: Why weren’t you the one who died?! Why?!<br>-Anant: Khun Satit!
Kik: I will never let my life be destroyed because of your underestimation. Do you hear?
Mark: Do you think I will be excited from your money and...
Teaser 1:
Preem: I am not Khun Pimonpa.
Vicki: I am Pimonpa.
Vicki: From now on, we will be the same family.
Por: You made an effort to exchange your youth and beauty for it.
Vicki: Khun Traipope!
Vicki: We are siblings. Either way, you have to side with me.
Vicki: I will teach you a lesson...
Airing Monday, August 31st. Teaser:
https://www.youtube.com/watch?v=r_D_2r3pbqg
Credit: TV3 Official youtube
"...have us three continue being friends forever."