Choi Kwan-On (???) and Cai Jun-An (???) are the same person.
??? is identified now. Here's the Facebook page of ??? - https://www.facebook.com/lightstyle.candy

Please merge

If nobody stops me in 15 days I will merge them.

Merged

???
Choi Kwan-On ?
Aliases: Tsai Chun-An

Filmography (1998)

Actor (2 films)
Yellow Hunting (1998)
Xue Ran Hong Chun (1998)

and

???
Cai Jun-An ?

Filmography (1988)

Actor (1 film)
Mi Lian Zhi Qing (1988)