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.
This animated series follows Sonic the Hedgehog and his anthropomorphic allies trying to coexist alongside human beings on their home planet of Mobius while also having to contend with the growing regime of the vile Doctor Ivo "Eggman" Robotnik.
