---
title: "How Long Will I Love U"
year: 2018
canonical_url: "https://www.archytele.com/show/how-long-will-i-love-u-2018"
media_type: "movie"
tmdb_id: 522921
imdb_id: "tt8404272"
status: "Released"
runtime_minutes: 101
community_rating: 6.6
vote_count: 56
content_rating: "PG-13"
---

# How Long Will I Love U (2018) — Television & Cinema Intelligence Dossier

> **Archytele Living Vault Canonical Record**: https://www.archytele.com/show/how-long-will-i-love-u-2018

## Executive Summary & Cultural Positioning

Topic: Film "How Long Will I Love U" (2018).
Role: Meticulous television and film archivist.
Constraint 1: Write ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
Constraint 2: No inventing/guessing (titles, names, dates, etc.).
Constraint 3: Original, neutral, encyclopedic prose.
Constraint 4: Plain text only (no markdown, no asterisks, no headings, no bullet points).
Constraint 5: Word count 150-190 words.
Constraint 6: First sentence must not contain spoilers.
Constraint 7: Use only provided info.
Title: How Long Will I Love U
Year: 2018
Release Dates: May 17, 2018 (US), May 18, 2018 (General/China).
Genres: Comedy, Romance, Drama, Mystery, Fantasy.
Runtime: 1h 41m.
Director: Su Lun.
Country: China.
Format: Feature Film.
Rating: PG-13.
Characters: Gu Xiaojiao (young girl from 2018), Lu Ming (man from 1999).
Plot: Gu Xiaojiao and Lu Ming wake up in the same bed at the same space-time. They discover they can time travel by exiting the bedroom door. They plan changes within these two eras. Their destiny is in the hands of a

## The Hook & The Verdict

## Streaming Availability Matrix

| Region | Stream (Subscription) | Free / Ads | Rent / Buy |
| :--- | :--- | :--- | :--- |
| **United States (US)** | Amazon Prime Video, Amazon Prime Video with Ads, Cineverse Amazon Channel | Fawesome | Amazon Video, Google Play Movies, YouTube |
| **Canada (CA)** | Amazon Prime Video, Amazon Prime Video with Ads | Tubi TV, AsianCrush, Plex, Cineverse | YouTube |

## Creative Credits

- **Directed by**: Su Lun
- **Networks / Studios**: Youth Light Film

## Key Cast Continuity

- **Lei Jiayin** as *Lu Ming*
- **Tong Liya** as *Gu Xiaojiao*
- **Wang Zhengjia** as *Gu Qixiang*
- **Fan Ming** as *Potato wholesaler*
- **Xu Zheng** as *Noodle*
- **Li Nian** as *Xiaoya*
- **Li Guangjie** as *Sicheng*
- **Yang Di** as *Waiter*
- **Yu Hewei** as *Scientist*
- **Yang Le** as *Xiao Ma*

## Canonical Frequently Asked Questions

### Q: Where can I stream or watch How Long Will I Love U online?
How Long Will I Love U is currently available to watch or stream on Amazon Prime Video, Amazon Prime Video with Ads, Cineverse Amazon Channel, Amazon Video. Check our live regional availability tracker above for latest direct streaming, subscription, rent, or purchase options.

### Q: Is How Long Will I Love U worth watching?
How Long Will I Love U holds a community rating of 6.6/10 based on 56 verified viewer ratings. It offers engaging Comedy, Romance for fans of the genre.

### Q: How long is the movie How Long Will I Love U and when was it released?
How Long Will I Love U is a feature film with a runtime of 101 minutes. It was released in 2018. Release status: Released.

### Q: Who directed How Long Will I Love U?
How Long Will I Love U was directed by Su Lun.

## Grounded Source Citations

- [How Long Will I Love U — The Movie Database (TMDB)](https://www.themoviedb.org/movie/522921)
- [How Long Will I Love U - Wikipedia](https://en.wikipedia.org/wiki/How_Long_Will_I_Love_U)
- [How Long Will I Love U (2018) — The Movie Database (TMDB)](https://www.themoviedb.org/movie/522921)
- [How Long Will I Love U Full Cast & Crew - MyDramaList](https://mydramalist.com/29090-how-long-will-i-love-u/cast)
- [‎How Long Will I Love U (2018) directed by Su Lun • Reviews ...](https://letterboxd.com/film/how-long-will-i-love-u/)

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*Generated by Archytele Open Intelligence Systems. Data verified against TMDB and JustWatch APIs.*