Thats hard. For me it will be always OT12 but I joined them while they were a ten member group so I'll say OT9.

2ne1 or SNSD

snsd

cl or jessi? (they're my 2 favorite rappers jskdls)

Jessi

Super Junior or TVXQ

Super Junior 

Sejeong or Mina (Gugudan)

Sejeong

Beast as 6 members or Highlight with 5 members

why would you ask this D:  Beast as 6.

Shownu (Monsta X) or BM (KARD)

Shownu 

Wanna One or Seventeen 

Seventeen

The Boyz or Golden Child

golden child

2pm or 2am

2PM

Sam Kim or Eddie Kim 

sam kim

hyunjin or jisung (stray kids)?

Hyunjin (my bias)

Samuel or Eric Nam

Eric Nam

Jay Park or Kris Wu

Jay Park

Tao or Luhan

Luhan 

Eunji or Naeun