# Sung Si-kyung (성시경) — KTRENZ entity node

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

## Identity
- Name: Sung Si-kyung
- Korean: 성시경
- Type: actor
- Debut: 2000
- External IDs: Wikidata Q391397 · Wikipedia https://en.wikipedia.org/wiki/Sung_Si-kyung

## Recent official events (comeback / release)
- null — release: Upcoming single '나의 하루처럼' (My Day Like)
- 2026-08-25 — release: Sung Si-kyung, His Pickiness That Created 1.5 Billion Cumulative Views: "I Can't Do It Without Sincerity, I Can't Fill It With Lies..."
- 2026-08-01 — release: "Lost 10kg While Eating"…Sung Si-kyung's Obsession with the 'Protein Bomb' Diet Menu
- 2024-07-10 — release: Duet performance of '말리꽃' with Lee Seung-chul
- 2024-06-06 — release: 나와 같다면 duet with Kim Jang-hoon released

## Demand signal
- Hype/demand score: 35/100 (blended Naver search + YouTube traction)

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

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