Season 1 poster

Season 1

(2022)

Cast

Shim Kyu-hyuck as Park Hyung Seok (Small) (voice)
Shim Kyu-hyuck

as Park Hyung Seok (Small) (voice)

Han Shin as Park Hyung Seok (Big) (voice)
Han Shin

as Park Hyung Seok (Big) (voice)

Ryu Seung-gone as Lee Jin Seong / Park Jong Gun (voice)
Ryu Seung-gone

as Lee Jin Seong / Park Jong Gun (voice)

Jeong Jae-heon as Vasco / CEO / Lee Nam Su (voice)
Jeong Jae-heon

as Vasco / CEO / Lee Nam Su (voice)

Nam Doh-hyeong as Jin Ho Bin / Jang Gi Seok / Kim Mae Sik / Park Bum Jae (voice)
Nam Doh-hyeong

as Jin Ho Bin / Jang Gi Seok / Kim Mae Sik / Park Bum Jae (voice)

Hwang Chang-yung as Pyun Deok Hwa / Lee Tae Sung / Oira (voice)
Hwang Chang-yung

as Pyun Deok Hwa / Lee Tae Sung / Oira (voice)

Sa Moon-young as Park Ha Neul / Female Student / Female Extra (voice)
Sa Moon-young

as Park Ha Neul / Female Student / Female Extra (voice)

Lee Kyung Tae as Park Ji Ho (voice)
Lee Kyung Tae

as Park Ji Ho (voice)

Kim Hyeon-uk as Lee Hyun Do / Go Jeong Gi / Kim Seul Bum (voice)
Kim Hyeon-uk

as Lee Hyun Do / Go Jeong Gi / Kim Seul Bum (voice)

Lee Gyu-chang as Na Yu Eop / Park Han Gyul / Homeroom Teacher (voice)
Lee Gyu-chang

as Na Yu Eop / Park Han Gyul / Homeroom Teacher (voice)

Bae Jeong-mi as Choi Soo Jeong / Deok Hwa's Grandmother / Female Student (voice)
Bae Jeong-mi

as Choi Soo Jeong / Deok Hwa's Grandmother / Female Student (voice)

Kim Ok-kyung as Hyung Seok's Mom (voice)
Kim Ok-kyung

as Hyung Seok's Mom (voice)

Episodes

Change poster

Change 6.4

December 8, 2022

After enduring years of abuse from his peers, Park Hyeong-seok moves to a different neighborhood to start a new life. B…

New Life poster

New Life 7.5

December 8, 2022

Hyeong-seok attends school in his new body by day and works a part-time job as his true self by night – only to learn t…

Friends poster

Friends 6.0

December 8, 2022

A student by the nickname Basco helps the old Hyeong-seok fight off bullies, while the new Hyeong-seok hangs out with h…

Mom poster

Mom 5.3

December 8, 2022

Hyeong-seok takes his mother out to a cafe as his transformed self. Basco seethes with righteous indignation when he sp…

Kindness poster

Kindness 7.0

December 8, 2022

Hyeong-seok lends a hand to other struggling peers in school, while an enigmatic classmate offers him help and gifts wh…

Recommendation poster

Recommendation 7.0

December 8, 2022

Pyeon Deok-hwa considers performing at the school festival, while others in his class relentlessly try to trample on hi…

Special Training poster

Special Training 6.0

December 8, 2022

Under Deok-hwa’s direction, Hyeong-seok unlocks his singing potential as their musical collaboration nurtures their blo…

Wall poster

Wall 7.5

December 8, 2022

Competition heats up backstage on the day of the festival. Hyeong-seok and Deok-hwa leave their past and fears behind t…