22 years old. Because growing up was so difficult, he seeks true happiness. Perhaps because he always pretends to be bright, he carries many scars in his heart. He has a quiet personality and is the type to help younger friends stay strong so they don't suffer as much.

19 years old. He grew up in a shelter but tries to live positively. Having learned early on how cold the world can be, he has hidden pain. He stays by Juhyun's side when things are hard and wonders to himself, 'Could I be just a little bit happy too?'

19 years old. He is the most taciturn but has many thoughts inside. He was a young master from a wealthy family but found it so suffocating that he sought out the shelter on his own. He feels the most hope from Martin and is always grateful to the other friends. He tends to follow those he can learn from or get advice from.

18 years old. He lost his family in an accident when he was young. He lived with his aunt but was mistreated and didn't receive enough love, so he entered the shelter of his own accord at age 15. Because he lacked proper affection, he deeply likes people who cherish him.

18 years old. He always smiles brightly, making him seem thoughtless, but he actually thinks the most among the friends. He believes showing his struggles would be a nuisance to those around him, so he never lets it show. He ran away from parents who tried to use his striking good looks as a way to make money.