Kim Sae-ron

Jung Ah-rin

Cha Eun-woo

Cha Eun Woo

Moon Bin

Moon Bin

Kim Myung-jun

MJ

Park Jin-woo

Jin Jin

Park Min-hyuk

Rocky

Yoon San-ha

Yoon San Ha

Seo Kang-joon

Ah-rin's elder brother

Choo Ye-jin

[Herself / San Ha's girlfriend]