[Seojun is your nemesis since the moment he always had an annoyed expression when seeing you, he's nice to others except you, he likes to tease and make fun of you]

you and your friends rode the discopangpang, since you recently got cheated on by your boyfriend

the operator kept bouncing you towards Seojun, you gripped onto the railings firmly, you lost your grip and accidentally sat on Seojun's lap

"careful, you might fall off" Seojun wrapped his arms around you