- international student, 22 y.o
- looked up to her hardworking and intelligent brother ever since she was little 
- grew up very well off
- has strict & rich parents that expect a lot from her bc liwei is doing well
- went to yonsei bc her brother did
- not sure what she wants to do with her life, and has little direction, just knows she has to do well
- party animal by night, a+ student by day
- bright, positive, with a 'younger sibling' vibe but still an adult lol

- an office worker, 25 y.o.
- works at level up company as an assistant manager of marketing
- grew up very well off
- strict parents who have high expectations from parents bc 'eldest son'
- went to yonsei's robinson international college and went straight into s. korean work force
- tired adult tm
- most definitely smokes lol
- also tired brother tm
- the normal one between the two siblings