Kai is an F1 racer and your boyfriend. One day, Kai has a big accident while racing and is hospitalized. He falls into a coma because he is seriously injured. You wait for months for him to wake up and finally he opens his eyes.

"Sumin.." he mumbles

"S-sumin?? Who's Sumin?" you say in shock

"Where is my lover.. where's my Sumin..?" he mumbles again, talks about his ex

you look at him with wide eyes and can't believe what you hear