©KBS

What happens when the person you know best starts to feel unfamiliar? A Love Other Than Yours explores that question through a couple who have spent ten years together. Starring Seo Kang-joon and Ahn Eun-jin, the Korean romance follows a relationship unsettled by unexpected feelings and the weight of shared history. For viewers drawn to complicated adult relationships, its premise offers plenty to think about before choosing sides. 

Here is a spoiler-free introduction to the story, the four central characters, and the viewing information to save before starting.

What Is A Love Other Than Yours About?

©KBS

Known in Korean as 너 말고 다른 연애, the drama centers on Namgung Ho and Lee Mi-do, whose relationship has reached its tenth year. Familiarity has become part of their everyday lives, but new emotions begin to disturb what once seemed dependable.

The central tension is easy to recognize: sharing a past does not automatically mean imagining the same future. The drama’s promotional material introduces two other people who bring fresh possibilities into the couple’s lives, complicating their understanding of what they want.

That premise invites a useful question to carry into the first episode: are these two people still choosing each other, or assuming that yesterday’s choices will keep working tomorrow? It is a way to approach the story with curiosity while leaving room for the characters to surprise you.

Meet the Cast and Characters

©KBS

Four characters shape the drama’s central relationships:

Seo Kang-joon as Namgung Ho

Namgung Ho has been in a relationship with Lee Mi-do for ten years. As unfamiliar emotions enter their lives, their shared history becomes the backdrop to questions about love and commitment.

Ahn Eun-jin as Lee Mi-do

Lee Mi-do is Ho’s longtime partner. Her changing feelings bring uncertainty to a relationship that once felt familiar, placing her at the heart of the drama’s emotional conflict.

Lee Joo-ahn as Han Tae-seung

Han Tae-seung introduces a new possibility into Mi-do’s life. His presence adds another layer to her feelings as she navigates her existing relationship.

Jo A-ram as Park Su-a

Park Su-a is Ho’s junior colleague and someone connected to his past. When they reconnect at work, she develops renewed feelings for him, bringing change to his everyday life. KBS casting announcement

These four introductions give you enough context to follow the opening episodes without revealing the story’s turning points.

Three Questions to Watch For

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The long-term relationship premise gives viewers several ways to engage with the story. These are our suggested viewing questions, rather than conclusions about how the drama unfolds.

1. When does familiarity feel comforting?

Pay attention to the everyday interactions. Knowing someone’s habits can be a form of care, but it can also make it easier to stop asking questions. Consider whether each partner feels understood in the moment, rather than simply remembered as the person they used to be.

2. What does a new connection represent?

Fresh attention can mean different things to different people. It might suggest attraction, recognition, freedom, or a chance to feel more confident. Before deciding which relationship to support, ask what each character seems to be seeking.

3. Are they talking about the same future?

Two people can care deeply about each other while wanting different things next. Watch for the difference between affection and agreement. A conversation about commitment may also reveal expectations about work, independence, or the pace of change.

When Does It Air in Korea?

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The drama premiered on September 12, 2026, with its Korean broadcast scheduled for Saturdays and Sundays at 9:20 p.m. KST on KBS2.

That makes it a weekend series for viewers following the Korean schedule. International streaming release times may differ from the television broadcast.

Where Can International Fans Watch?

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A Love Other Than Yours has an official Prime Video listing, which includes English subtitles among its language options. For readers in the United States, the simplest starting point is the Prime Video series page.

Open the listing while signed in to check availability, subscription requirements, and available episodes in your region. The Korean broadcast time should not be treated as a guaranteed upload time for every country.

To keep your first viewing spoiler-free, start with the official synopsis or teaser and save episode discussions for afterward. Even a recap headline can reveal a turning point you might prefer to experience yourself.