Age: 23
female
Kim Su-yeon is a former A Team Entertainment trainee and currently under MYSTIC Story Entertainment. She joined Mnet's 2021 idol program Girls Planet 999 as a contestant.
Sheon
Cassandra Cain
for Cassandra Cain in Who should cameo in The Flash?
Suggested by cameronbae
What characters from across the DC multiverse should cameo in The Flash (2022)?
