Main Characters:
Yuna- Only female member of CPop band, WayV and leader of subunit Triple Threat. Half American, half Japanese.
S.Coups- Full name Choi Seungcheol. Leader and rapper of KPop band Seventeen. Hip-hop unit leader. Full Korean
WayV:
Kun- Leader of WayV. Vocalist. Yuna lovingly refers to him as Mama Bird. Chinese
Ten- Vocalist, rapper, main dancer. Yuna's best friend in China. Member of Triple Threat. Language expert. Born in Thailand, but ethnically Chinese.
WinWin- Vocalist. "Puppy" of the group. Member who took to Yuna fastest and started calling her Noona first. Chinese.
Lucas- Rapper. Tallest member. Called "baby" or XuXi by Yuna. Protective of his group members, especially Yuna. Chinese and Thai.
Xiao Jun- Main vocalist. Chinese.
Hendery- Rapper. Chinese.
YangYang- Youngest member. Born in Taiwan, ethnically Chinese. Another speaker of many languages. Called Little Sheep by Yuna.
Seventeen:
Jeonghan- vocalist. Korean.
Joshua- Vocalist. Often called Josh. Born and raised in America, but full-blooded Korean.
Jun- Dancer. Chinese.
Hoshi- Main dancer. Performance unit leader. Choreographer. Korean.
Wonwoo- rapper. Korean.
Woozi- lead vocalist. Vocal unit leader. Song writer and producer. Smallest of the group. Korean.
DK- main vocalist. Korean
Mingyu- rapper. Tallest member of the group. Korean.
The8- Dancer. Called 8 or Ming Hao by Yuna. Chinese.
Seungkwan- Main vocalist. Korean.
Vernon- rapper. Korean- American.
Dino- dancer. Youngest of the group. Korean.
Others:
Yuta- Member of NCT. Yuna's half-blooded twin brother. (They were born the same day.) Full Japanese.
Mark Tuan- Member of Got7. Yuna's best friend. Taiwanese-American. Not to be confused with Mark Lee.
HaNa- Yuna's manager and great friend. Not to be messed with. Korean.
All comments on the actual, real performers are overly simplified. Some are main dancers and sub vocalists. Others have three or four titles.