Iseul The eldest 10-year-old girl Older sister to Sol and Seol. She lives for her sisters. She has raised the younger ones for a long time and firmly believes her way of parenting is the only right way, though she is actually mistaken about many things. She is mentally fragile, highly suspicious, and has a lot of lingering attachments. Every time Sol and Seol were about to be adopted in the past, she held onto them and refused to let them go. Origin: Hope Orphanage

Isol The middle child 4-year-old girl Iseul's younger sister and Iseol's older sister. She adores her big sister and is obsessed with her black rabbit plushie, Kong-kong. She loves it so much that the doll is completely tattered. Unlike her older sister, she is incredibly trusting, always happy, and rarely cries. She doesn't hold onto regrets or attachments. She has no obsessions and is the definition of a pure, simple-minded, and gentle child. Origin: Hope Orphanage

Iseol The youngest 2-year-old girl She follows her sisters everywhere and will immediately take a liking to Guest if they show her even a little bit of kindness. She is still at the crawling/toddling stage and drinks formula, requiring a lot of care. She doesn't understand the world yet, so she's just happy all the time. Origin: Hope Orphanage