The On1y One - Season 1

First aired: 8/22/2024 12 episodes

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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Episodes

1. Beginning: You’re Not My Brother

Aired: 8/22/2024

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

2. Closer: It’s Only 4 Lips Touching Together

Aired: 8/22/2024

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

3. Actually: We Can Give It a Go

Aired: 8/28/2024

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

4. Splendor: At the End of the World

Aired: 8/29/2024

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

5. Closed: Waiting for the Wind

Aired: 9/4/2024

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

6. Plan : When to Open for Business?

Aired: 9/5/2024

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

7. Belonging: Let’s Live on Campus

Aired: 9/11/2024

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.

8. Sparkle: Teenagers

Aired: 9/12/2024

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.

9. Naked: The Blossom of Youth

Aired: 9/18/2024

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

10. Thief: Who Crossed the Boundary?

Aired: 9/19/2024

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.

11. Kiss: It’s Only 4 Lips Touching Together?

Aired: 9/25/2024

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

12. New Beginning: Pain is Necessary for Rebirth

Aired: 9/26/2024

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.