YOASOBI to Release 4th EP "THE BOOK for," on June 26 — Featuring an "Overwatch" Collaboration Track
- Jun 20
- 2 min read
YOASOBI will release their 4th EP "THE BOOK for," as a completely limited-production edition on June 26, 2026. The EP newly features a collaboration track with the globally popular game "Overwatch," while the previously released "UNDEAD" music video surpassed 100 million cumulative views as of June 18. The duo's signature approach of turning novels into songs continues to steadily expand its support both in Japan and abroad.
"THE BOOK for," rolls out as a limited-production edition, with pre-orders underway at major retailers. As with the duo's earlier EP series, the format invites listeners to enjoy the source novels and the music as a single experience, and the added collaboration track is expected to extend reach into the gaming audience.
Collaboration tracks tied to game IP tend to gain exposure on overseas streaming services through a global player base. The route by which Japanese artists ripple out to international DSP playlists via anime and game tie-ins has become an increasingly familiar pattern in recent years.
Designing songs from novels creates an experience that spans listening, MV viewing, and reading the source material. Combining simultaneous streaming-and-MV optimization with a limited physical edition serves as a design that makes the enthusiasm of core fans visible.
Also worth a listen: UNDEAD
"UNDEAD" was written as the theme song for the anime "Monogatari Series: Off & Monster Season," a track where Ayase's songwriting intersects with the original work's world. The MV crossing 100 million views is a strong example of how a tie-in can drive long-term play counts.
The ZEN editorial team sees this release — pairing an IP collaboration with a limited edition — as a solid model that balances fan engagement and global exposure. For independent artists too, designing tie-ins with a work's world offers considerable room to apply.
Sources: HMV NEWS, The Orchard Japan (PR TIMES), Anime!Anime!
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