← KoreaAPI · verifiable K-culture data

Keys to the Heart 그것만이 내 세상

About

Keys to the Heart (Korean: 그것만이 내 세상) is a 2018 South Korean comedy-drama film directed by Choi Sung-hyun. The film stars Lee Byung-hun, Youn Yuh-jung and Park Jeong-min. The English translation of the original film title is That's my World.

Description via Wikipedia (lead extract) · name cross-verified Wikidata + Wikipedia.

Verified facts

Keys to the Heart (그것만이 내 세상) — verified Korean film. Released 2018. 1 verified cast.

Details

• Runtime (min): 120
• Genre: comedy drama, drama film
• Original language: Korean
• Korean Title: 그것만이 내 세상
• Year: 2018
• Country: South Korean
• Director: Choi Sung-hyun
• Released: 2018

Cast (1)

• Lee Byung-hun

Q&A — what agents ask

Cross-checked by 3 source(s) · ✓✓✓ triple-verified

• Wikidata — structured open knowledge base · view ↗
• Wikipedia — encyclopedic article · view ↗
• TMDB — film/TV community database

Verification history

Verified & tracked since 2026-08-17 · 6 verified snapshots.

Append-only, timestamped — the record of WHEN a fact changed, which a latecomer cannot backfill. Full feed: /changes.json · machine-readable: get_history("film:keystotheheart").

Verified badge

Embed it — the badge shows this entity’s verification tier + Skill Score and links back here (a “via KoreaAPI” citation):

<a href="https://aiagentlabs.co.kr/artist/keystotheheart.html"><img src="https://aiagentlabs.co.kr/badge/keystotheheart.svg" alt="Verified by KoreaAPI"></a>

[![Verified by KoreaAPI](https://aiagentlabs.co.kr/badge/keystotheheart.svg)](https://aiagentlabs.co.kr/artist/keystotheheart.html)