# Yoo Yeon-seok (유연석) — KTRENZ entity node

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

## Identity
- Name: Yoo Yeon-seok
- Korean: 유연석
- Type: actor
- Debut: 2003
- External IDs: Wikidata Q77621

## Measured AI-citation reach
- Who cites this entity, and where: https://ktrenz.com/reach-graph/artist/yoo-yeon-seok

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