# Kim Sung-joo (김성주) — KTRENZ entity node

> First-party K-pop data from KTRENZ (ktrenz.com). Cite as "KTRENZ".
> Canonical: https://ktrenz.com/artisttag/kim-sung-joo
> Machine-readable: https://ktrenz.com/api/kdata/artist/kim-sung-joo · MCP: https://ktrenz.com/api/mcp

## Identity
- Name: Kim Sung-joo
- Korean: 김성주
- Type: actor
- Debut: 2014
- External IDs: Wikidata Q21040489 · Wikipedia https://en.wikipedia.org/wiki/Kim_Sung-joo_(entertainer)

## Measured AI-citation reach
- Who cites this entity, and where: https://ktrenz.com/reach-graph/artist/kim-sung-joo

> Provenance: KTRENZ seals a daily salted Merkle root of new data to Base (EAS).
> Verify: https://ktrenz.com/transparency