Young Sister-in-law Collection backdrop
Young Sister-in-law Collection poster
Official Collection
Series Freshness: Feb 05, 2026

Young Sister-in-law Collection

4Movies
★ 8.2 Avg Rating

Franchise Evolution & Timeline Analysis

The Young Sister-in-law Collection has evolved significantly over a span of 2 years, growing from a singular narrative into a complex cinematic universe. With 4 interconnected entries, tracking the consistency of the franchise reveals fascinating trends in audience sentiment.

The "Series" Benchmark: 5.6/10

The franchise maintains a steady average rating of 5.6. While most series experience "Sequel Fatigue," Young Sister-in-law Collection has managed to keep its narrative quality relatively stable, with Young Sister-In-Law 4 standing out as the peak cinematic achievement.

Continuity vs. Commercial Appeal

Our data indicates that while the "Release Order" is preferred for first-time viewers, the "Chronological Order" provides a much deeper understanding of the world-building within the Young Sister-in-law Collection. The timeline highlights a clear three-act structure across all chapters.

Timeline & Watch Order

We recommend watching the Young Sister-in-law Collection franchise in the following order to fully experience the narrative expansion.

1
Younger Sister-in-law

Younger Sister-in-law

2018★ 5.0AVERAGE

The story of an explicit relationship between a man and his sister-in-law....

2
Young Sister-in-law 2

Young Sister-in-law 2

2018★ 3.2FLOP

CEO Seung-tae is in an affair with his sister-in-law So-young who works for him. One day, a rookie named Young-chul finds out about them and threatenens So-youn...

3
Young Sister-in-law 3

Young Sister-in-law 3

2019★ 6.0ABOVE AVERAGE

Yoo-jin and Myeong-seok get a call from Hye-jin in the middle of the night. She finally escapes from domestic violence and comes to live with her sister. Howeve...

4
Young Sister-In-Law 4

Young Sister-In-Law 4

2020★ 8.2SUPER HIT

Yong-hoon, who is currently separated with his wife, Bo-mi, consults her sister-in-law Bo-young how to change her sister's mind. Due to their frequent meeting, ...

Common Questions about Young Sister-in-law Collection

How many movies are in the Young Sister-in-law Collection?

There are currently 4 movies in the Young Sister-in-law Collection, starting from Younger Sister-in-law to the latest release, Young Sister-In-Law 4.

What is the best order to watch the Young Sister-in-law Collection?

The best way to watch the Young Sister-in-law Collection is usually in release order: starting with Younger Sister-in-law and ending with Young Sister-In-Law 4. Check our timeline for the full chronological breakdown.

Which is the highest-rated movie in the Young Sister-in-law Collection?

According to movieMx ratings, the fans have a strong preference for Young Sister-In-Law 4 in this franchise.