soulmate [ˈsəʊlmeɪt] (noun): 

a person ideally suited to another as a close friend or romantic partner.

Baekhyun has never believed in something like a soulmate or in something like love.

“You won't know how great it feels to be in love with your soulmate until you find yours. Give It a try, Baek!”, his best friend, Kyungsoo, once said. “Believing in that stuff is for idiots. As if I'd want to be attached to some other human for my entire life.”

But that was before this guy named Park Chanyeol became his new classmate.