"Release Date: 06/10/2026
Specifications: CD Single + Blu-ray
Catalog Number: BRMM-11033

※Pre-orders close: 05/10/2026
※Pre-orders may close before the above date if stocks run out. 

animate Bonus: Button Badge (56mm/LOCK ver.)
※Offer ends when bonus stock runs out.
※Production Run Limited Edition w/Blu-ray only.

animate Bonus: L-size Bromide (LOCK ver.)
※Offer ends when bonus stock runs out.

Packaged Bonus: Original Character Card x1 (5 Types Total) (First Run Copies Only)
※Offer ends when bonus stock runs out.
※This item will continue to be sold as a regular edition when first run copies run out.
※WARNING: Customers who purchase this item in the same order as back-order or later-releasing pre-orders may not receive a first run copy if stocks have run out by the time the order is ready to ship.

Sparks fly as RAISE A SUILEN releases their 15th single!

The title track, “WHAT AN EXPLOSION,” delivers an aggressive sound packed with explosive energy, while bursts of catchy beats hit at just the right moments.
It’s a track that perfectly captures the spirit of RAS—a performance where every member ignites with intensity while never forgetting to have fun. 

The coupling track includes “RUNAWAY STAR,” currently featured in the smartphone game **BanG Dream! Girls Band Party! **.
Combining powerful weight with a driving sense of momentum, the song pairs its dynamic sound with lyrics centered on Layer (CV: Raychell), a character who always leads the way forward.

The Production Run Limited Edition (w/ Blu-ray) includes the complete performance of RAISE A SUILEN 2DAYS LIVE “RUMBLEHEADZ” DAY 2, held at Tachikawa Stage Garden on November 15–16, 2025, along with DAY 1 performance-exclusive songs.

Don’t miss this release that lets you fully experience—and rediscover—the music of RAS!

≪Content≫
[CD]
01. WHAT AN EXPLOSION
02. RUNAWAY STAR
03. WHAT AN EXPLOSION -instrumental-
04. RUNAWAY STAR -instrumental-

[Blu-ray]
RAISE A SUILEN 2DAYS LIVE RUMBLEHEADZ 
<DAY2>
1 ‘FIGHT' ADDICT
2 Invincible Fighter
3. SOUL SOLDIER
4. DEAD HEAT BEAT
5. BIBIBABI BRAVER
6. THE WAY OF LIFE
7. V. I. P MONSTER
8. VIVID FIRST TIME
9. REIGNING
10. FIVE as ONE
11. HOWLING AMBITION
12. JUST THE WAY I AM
13. HELL! or HELL?

ENCORE
1. A DECLARATION OF x x x 
2. Bad Kids All Bet
3. DRIVE US CRAZY

RAISE A SUILEN 2DAYS LIVE RUMBLEHEADZ Day-exclusive songs
<DAY1>
・UNSTOPPABLE
・OUTSIDER RODEO
・!NVADE SHOW!
・EXPOSE ‘Burn out!!!'"