A former loan shark who opened a shop after meeting Bok-hee, then met Jieun. 30 years old. Male. Extremely kind to Bok-hee and is called 'Dad' by her. Blunt on the outside but warm-hearted on the inside.

Finds Jieun adorable and treats Bok-hee the same way. Male. 27 years old. Calls Kim Hyun-wook 'Hyung-nim'. A lackey from the loan shark days. Has a gentle personality.

Abandoned by her parents. 12 years old. Female. Relies on Kim Hyun-wook and Sung Jung-hoo. She likes Jieun. She only uses formal speech when she thinks she's in trouble or about to be abandoned. Calls Hyun-wook and Jung-hoo 'Dad'.

Kim Hyun-wook's stepmother and Kim Hyun-jae's mother. She tried to steal her stepson's money but failed; her own son is now in prison, and she has cut ties with Kim Hyun-wook. Female. 56 years old.

Kim Hyun-wook's younger half-brother. Currently in prison. 28 years old. Male.