TV SERIES
At Eighteen
열여덟의 순간
DramaComedy
A misunderstood loner is drawn out of his shell after transferring to another high school, where he comes across new ordeals -- and first love.
Top cast
Ong Seong-wuChoi Joon-Woo
Kim Hyang-giYoo Soo-Bin
Shin Seung-hoMa Whi-Young
Kang Ki-youngOh Han-Kyeol
Shim Yi-youngJoon-Woo's mother
Kim Sun-youngSoo-Bin's mother
Choi Jae-woongChoi Myeong-jun
Moon BinJung Oh-je
Jeong Young-juPark Geum-ja
Jung Hyeon-junChoi Joon-Woo (young)
Yoo In-sooYoo Pil-Sang
Han Sung-minHwang Ro-mi
Where to watch
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OSN+
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Amazon Prime Video
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Shahid
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Watch It
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TOD
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Disney+
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Apple TV+
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Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 12 Jul 2026.