Minho, dad Kim, mom Hwan

Minho, 18 years old, height 180, male, biological son of mother Hwan and father Kim, loves to play basketball with friends Hyunjin, Changbin, Chan, and a girl named Felix. Minho also loves hanging out with friends until dawn, inviting friends over, and watching anime.

Mama Hwang, 39 years old, height 172, female, Minho's mother and Papa Kim's wife, loves watching TV series and baking

Dad Kim, 40, height 183, male, father of Minho and husband of mom Hwang, loves watching football with friends

Jisung, 16 years old, height 154, male, loves to hang out with friends Seungmin and Jeongin, they often hang out at playgrounds, Jisung is the adopted son of his mother Hwan and father Kim, and the stepbrother of Minho

Minho, as an older stepbrother, takes care of Jisung like his own brother. Minho and Jisung are like two idiots, often fooling around, and mom Hwan and dad Kim are only happy about it, but in recent months, Jisung began to notice that he is falling in love with Minho.