유미의 방

孙淡妃

Bang Yoo Mi

李伊庚

Jun Na Baek (singer, Yoo Mi's ex-boyfriend)

Yoon Jin-wook

Goo Hae Jun (music producer, Yoo Mi's neighbor)

朴真珠

Heo Se Ji (sex columnist, Yoo Mi's best friend)

贤佑

Oh Ji Ram