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The On1y One

202460m

★ 8.7

zh

DramaComedy

When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.

Where to Watch The On1y One Free Online

Watch The On1y One full TV show online for free in HD quality on Watch Online Stream. Stream from Netflix, HBO Max, Disney+, Prime Video, and more without any subscription or sign up. When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.

Episodes

Cast

Liu Dongqin

Liu Dongqin

Sheng Wang

Benjamin Tsang

Benjamin Tsang

Jiang Tian

Samuel Ku

Samuel Ku

Zhao Xi

Kenny Yen

Kenny Yen

Lin Bei-ting

Lu Tingyu

Lu Tingyu

Yang Jing 'Jenny'

Duan Chun-hao

Duan Chun-hao

Sheng Ming-yang

Jennifer Hong

Jennifer Hong

Jiang Ou

Yu An-shun

Yu An-shun

Old Man Ding

Chen Wei-min

Chen Wei-min

Mr. Zhao

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