tier 1 - all-time ults:

• kwon soonyoung | hoshi (seventeen)
• shin hyejin | jine (oh my girl)
• lee luda (wjsn/cosmic girls)
• lee chan | dino (seventeen)

tier 2 - other ults:

• kim sejeong (gugudan)
• dong sicheng | winwin (nct 127)
• kim sohye (i.o.i)
• choi chani (boys24)
• na jaemin (nct dream)
• kim yonghyun (boys24)

tier 3:

• yoo kihyun (monsta x)
• jung wheein (mamamoo)
• choi youngjae (got7)
• im jaebum | jb (got7)
• lee hongbin (vixx)
• kim myungjun | mj (astro)
• park minhyuk | rocky (astro)
• kim yerim | yeri (red velvet)
• kim minseok | xiumin (exo)
• park chanyeol (exo)

tier 4:

• moon taeil (nct-u)
• yoo jeongyeon (twice)
• lee sungjun | wei (up10tion)
• lee hwanhee (up10tion)