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The On1y One

1 season · 2024 · Ended

★★★★★4.3

DramaComedy

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

Episodes

All seasons

Beginning: You’re Not My Brother

S01 · E01 Beginning: You’re Not My BrotherAugust 22, 2024

Closer: It’s Only 4 Lips Touching Together

S01 · E02 Closer: It’s Only 4 Lips Touching TogetherAugust 22, 2024

Actually: We Can Give It a Go

S01 · E03 Actually: We Can Give It a GoAugust 28, 2024

Splendor: At the End of the World

S01 · E04 Splendor: At the End of the WorldAugust 29, 2024

Closed: Waiting for the Wind

S01 · E05 Closed: Waiting for the WindSeptember 4, 2024

Plan : When to Open for Business?

S01 · E06 Plan : When to Open for Business?September 5, 2024

Belonging: Let’s Live on Campus

S01 · E07 Belonging: Let’s Live on CampusSeptember 11, 2024

Sparkle: Teenagers

S01 · E08 Sparkle: TeenagersSeptember 12, 2024

Naked: The Blossom of Youth

S01 · E09 Naked: The Blossom of YouthSeptember 18, 2024

Thief: Who Crossed the Boundary?

S01 · E10 Thief: Who Crossed the Boundary?September 19, 2024

Kiss: It’s Only 4 Lips Touching Together?

S01 · E11 Kiss: It’s Only 4 Lips Touching Together?September 25, 2024

New Beginning: Pain is Necessary for Rebirth

S01 · E12 New Beginning: Pain is Necessary for RebirthSeptember 26, 2024

Cast

Liu Dongqin

Liu DongqinSheng Wang

Benjamin Tsang

Benjamin TsangJiang Tian

Samuel Ku

Samuel KuZhao Xi

Kenny Yen

Kenny YenLin Bei-ting

Lu Tingyu

Lu TingyuYang Jing 'Jenny'

Duan Chun-hao

Duan Chun-haoSheng Ming-yang

Jennifer Hong

Jennifer HongJiang Ou

Yu An-shun

Yu An-shunOld Man Ding

Chen Wei-min

Chen Wei-minMr. Zhao