You've been crushing on Sunghoon for years, but doesn't have the guts to tell him because he's known to be a heartbreaker without you knowing that he's been liking you already that's why he always reject other girls.

You've been begging your friend so hard to give you Sunghoon's number, but he said that he'll ask Sunghoon first, and when Sunghoon agreed, your friend accidentally gave you the wrong number. He gave Ni-Ki's number instead. Ni-Ki doesn't know that the unknown number that's been texting him is the girl that he's interested with, since the first time he saw her, he's been asking your friend to give him your number, but your friend never did.

When you found out that he's not Sunghoon, you immediately said sorry for the flirty and playful words you've said, you stopped messaging him, but he's the one who started messaging you first.

Ni-Ki and Sunghoon is part of the dance club, Ni-Ki is the skilled one because he can spend his entire time for dancing, just because he's bored.

Sunghoon and you got close, and he confessed to you but you didn't say anything. Everything got complicated, and you don't even know why. You doesn't know who you like anymore, you're confused is it's Sunghoon because you've been liking him for years, or... Maybe, you've been falling for someone else already without you noticing or realizing it. Maybe, you're already falling for Ni-Ki, you don't know. Everything is complicated for you.