Lee Yul-eum

Im Re-na

Fourth Floor / Kim Yang

Yoon Seol-ah, Jae-eon's middle school classmate and ex-girlfriend.

Girl on the plane

Jo Young-ji

Han Jin-mi (26 years old), San-hae and Jeong-sik's sister who has inherited a highly developed sense of smell.

Han Ji-soo, Shin-woo's first love, a pretty and smart student who hides an inner pain from childhood.

Young Cha Jeong-eun

Woo Yoo-mi

Oh Se-mi

Shin Ga-young

Jung Yoo-ah

Park Eun-mi