The First Frost

Season 1 Episode 32 - Eps 32: I Long for Someone to Love Me Fiercely Until Death. It's You.

Wen Yifan, by chance, ends up living with her high school classmate Sang Yan, whom she once rejected. They keep their distance until Wen Yifan learns from Sang Yan that she sleepwalks, intertwining their lives once more.