Biases

Shinhwa - Andy, Junjin

DBSK/TVXQ - Yoochun
The TRAX - Jungmo
CSJH The Grace - Stephanie
Super Junior - Yesung, Eunhyuk, Henry
SNSD/Girls’ Generation - Tiffany, Hyoyeon
SHINee - Taemin
f(x) - Amber
SM The Ballad - Jino
EXO-K - None yet.
EXO-M - None yet.

2AM - Seulong
2PM - Taecyeon
Wonder Girls - All 
miss A - Suzy

B2ST - Dongwoon
4minute - Jiyoon
BtoB - Sungjae

Teen Top - Changjo

MBLAQ - Mir

T-ARA - Eunjung, Hwayoung

U-KISS - Alexander, Dongho, Hoon 

SS501 - Youngsaeng
KARA - Seungyeon, Nicole

Secret - Zinger
B.A.P - None yet. 

After School - Bekah, Lizzy

Brown Eyed Girls - Miryo

Big Bang - None (Use to be Seungri)
2NE1 - Minzy

Epik High - Mithra
Infinite - Woohyun 

Dalmatian - Daniel

F.T. Island - Seunghyun
CN Blue - Jungshin

MYNAME - Chaejin

Block B - P.O

Rania - Xia

B1A4 - Sandeul

Chocolat - None yet.

There’s probably more groups but I just can’t remember atm or if I didn’t list them, then that means I’m not a fan of them yet.

As for soloists, I like pretty much everyone so yeah.