
User Not Found
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Two high school students, both named Shin Yi Joon, form a secret contract to swap identities, leading to a romance drama filled with twists and turns.
A romance drama about two female high school students who happen to share the same name. When they both transfer to a new school at the same time, hoping to use the opportunity to turn their lives around, they forge a secret contract to swap identities. Shin Yi Joon is the most popular student at his high school. Although he seems tough and aloof on the outside, Shin Yi Joon is actually a huge softie on the inside—and far from getting into fights with other students, he even has a hard time saying no to other people.
Editorial mood guide by WatchMoodly Editorial Team · Base catalog metadata via TMDB.
3.8/10 avg · 14 ratings
Mood Rationale & Viewing Guide: Should You Watch User Not Found?
Within our mood classification system, User Not Found aligns strongest with a sad / chill / romantic viewing mood (emotional stories that resonate deeply and move you to tears). Key tonal signals include heartwarming romance, must watch, underrated gem, slow burn, strong female lead, secret identity, making it a strong pick when you want a story driven by those themes without spoilers.
Watch If…
- •You want a drama k-drama released in 2021.
- •You enjoy themes centered on heartwarming romance, must watch, underrated gem, slow burn.
- •You want a self-contained story that matches your current mood.
Skip If…
- •You are looking for a purely lighthearted, zero-stress comfort watch without dark or tense themes.
- •You only watch completed stories and prefer not to wait for upcoming episodes.
Official Trailer

Official Streaming Platforms
Frequently Asked Questions About User Not Found
Where can I watch User Not Found (2021) legally online?
User Not Found is available through official platforms including Prime Video, Viki. Use the streaming links on this page to open the licensed release directly.
What mood and genres does User Not Found fit best?
User Not Found is classified under Drama and best matches a sad or chill or romantic mood, featuring elements of heartwarming romance, must watch, underrated gem, slow burn, strong female lead.
How many episodes does User Not Found have?
User Not Found (2021) is currently marked as ongoing.
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