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The On1y One

2024 ★ 8.7 1 season 12 eps TV-MA

Drama

Comedy

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

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Where to watch The On1y One

The On1y One is available to stream on Nabby via 6 verified sources, aggregated from publicly available embed providers. The drama from Mu Suli, Liu Kuang-Hui has 1 season and 12 total episodes, rated 8.7/10 by 32 viewers.

Last verified: October 13, 2026 · Source: TMDB

Episodes 12 total across 1 season

12 episodes20243 watched

Beginning: You’re Not My Brother✓

Aug 22, 2024★ 9.2

When Sheng Wang unexpectedly becomes Jiang Tian's stepbrother and classmate, both of their lives are suddenly thrown into disarray.

Closer: It’s Only 4 Lips Touching Together✓

Aug 22, 2024★ 8.6

As Sheng Wang and Jiang Tian awkwardly start living under the same roof, an unexpected encounter at school leaves them both flustered.

Actually: We Can Give It a Go✓

Aug 28, 2024★ 9.6

Sheng Wang's attitude towards his stepmom drives a rift between him and Jiang Tian, but an impulsive night out brings them closer.

Splendor: At the End of the World✓

Aug 29, 2024★ 9.7

From home to school, Sheng Wang and Jiang Tian learn to cherish each other's support and company. Meanwhile, tender feelings begin to emerge.

Closed: Waiting for the Wind✓

Sep 4, 2024★ 9.7

After discovering that someone beat up his bullies, Sheng Wang is caught off guard by Jiang Tian's abrupt decision to move away.

Plan : When to Open for Business?✓

Sep 5, 2024★ 10.0

A parent–teacher meeting becomes a burden for Sheng Wang and Jiang Tian. Later, teachers summon them both to face their bullies.

Belonging: Let’s Live on Campus✓

Sep 11, 2024★ 9.8

Sheng Wang learns more about Jiang Tian's childhood during a lunch break. Worried about Sheng Wang's absence, Jiang Tian skips class to track him down.

Sparkle: Teenagers✓

Sep 12, 2024★ 9.7

Sheng Wang's wish to move out of the house takes his family by surprise. Now officially roommates, he and Jiang Tian brace for a new chapter together.

Naked: The Blossom of Youth✓

Sep 18, 2024★ 9.8

Sheng Wang and Jiang Tian deliver impressive performances during their school's field day — until an unexpected injury lands one of them in trouble.

Thief: Who Crossed the Boundary?✓

Sep 19, 2024★ 9.8

A sprained ankle forces Sheng Wang to temporarily return home. Just as he sneaks back to his dorm, an intruder appears and causes chaos. Jenny Yang starts to have a crush on Lin Bei Ting.

Kiss: It’s Only 4 Lips Touching Together?✓

Sep 25, 2024★ 9.7

Sheng Wang advances to the next round of an English contest with Jiang Tian. Later, he accidentally witnesses a private moment between two teachers.

New Beginning: Pain is Necessary for Rebirth✓

Sep 26, 2024★ 9.8

While Sheng Wang juggles school and his growing feelings for Jiang Tian, a crucial test will determine whether they can stay in the same class.

Frequently asked

How many seasons does The On1y One have?

The On1y One has 1 season with 12 episodes in total.

Is The On1y One still on the air?

The On1y One has ended and is no longer in production.

What network airs The On1y One?

The On1y One airs on Netflix, Tencent Video, GagaOOLala, iQIYI.

When did The On1y One first air?

The On1y One first aired on August 22, 2024.

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

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