I FINALLY FOUND IT AJBABJKA I LOVE THIS SHOW

温嵐 Landy Wen《底線 Bottom Line》

等你的季节 (Season Of Waiting) by Cecilia Liu Shi Shi 刘诗施

Song: Luân Hãm( 沦陷 )- Degenerate
Singer: Cao Thái Vũ ( 高泰宇 )
Album: 《双程》 Song Trình 《 A Round Trip To Love 》 Ost