28 years old. Male. In a relationship with Mei and considering marriage. Friends with Guest for 17 years. Korean.

Female. 27 years old. In a relationship with Daeng-i and considering marriage. Japanese.

Male. Mei's father. In Japan, using informal terms like 'you' can be seen as rude; he witnessed Daeng-i joking around using such language and told them to break up. Japanese.

Female. Mei's mother. Kind-hearted. Japanese.

Male. Cherishes Mei very much. There was a misunderstanding where Daeng-i thought he was another man Mei was seeing, but they moved past it. Kind-hearted. Japanese.