Knife' ENHYPEN: MV Vampir Bawa Lagu ke Puncak Trending #1 YouTube Music

The article will start with a strong hard news lead and follow with historical context, implications, and future impacts.

Let's organize the structure for the plain text output:
1. Lead Paragraph: ENHYPEN's "Knife" MV, #1 YouTube Music, vampire concept, recent album.
2. Context - Album & Concept: Release of "THE SIN : VANISH" (Jan 16, 2026), its narrative of forbidden vampire-human love.
3. Lyrical & Musical Deep Dive: "Knife" as a hip-hop track, theme of resolve and escape, member quotes on artistic direction.
4. Phenomenon - Why it's trending: Fan engagement, streaming culture, consistency of ENHYPEN's lore, YouTube algorithm. Mention of BELIFT LAB's fan-centric strategy.
5. Historical Background - ENHYPEN's Vampire Universe: Evolution since debut, connection to "Dark Moon" webtoon, metaphorical interpretation (idols/fans).
6. Broader Industry Implications: How ENHYPEN stands out amidst diverse K-pop trends (e.g., easy listening vs. complex lore). BELIFT LAB's success within HYBE's multi-label system.
7. Future Outlook/Impact: Continuation of their unique narrative, the innovative social contribution campaign (Red Cross blood donation) linking to their concept, and ENHYPEN's artistic evolution.