🔥 Selling fast — the launch sale ends tonight
The RainSlayer Katana Umbrella
The RainSlayer Katana Umbrella
🗡️ Closed: a real-deal katana on your back — molded hilt + carry sleeve
☔ Open: full-size auto-open umbrella (~105 cm canopy, 16 ribs, rain + UV)
🚚 Free worldwide shipping + 30-day guarantee
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🚚 Free worldwide tracked shipping — typically 6–12 days · 📦 30-day money-back guarantee
I've bought a lot of anime merch that looked better online than in my hands. This is the opposite. The hilt has real weight, the sleeve sits on your back like an actual saya, and when the rain starts, the whole bus stop watches you unsheathe an umbrella. Peak fiction, real life. Already eyeing a second character.
Closed: ~88 cm (34.6") — real katana length, hilt included. That's the whole illusion. Open: ~105 cm canopy, full-size coverage for you and your backpack.
Carry it two ways: slung on your back in the included sleeve with shoulder strap, or in hand like a cane between downpours.
Pongee canopy with rain + UV protection, ~16 fiberglass/metal ribs, one-press auto-open, molded ABS tsuka hilt with tsuba guard and fabric-wrapped grip, plus the carry sleeve with shoulder strap.
Care: shake it out and let it dry open before it goes back in the sleeve. That's it.
What fans are posting
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2h
Drew this off my back outside the theater when it started pouring and the whole line lost it 😭 The Zenitsu canopy is even brighter in person. It THUNDERS and I'm literally the lightning guy. Peak.
214
38 Comments
LikeCommentShare -
5h
Got my boyfriend the Tanjiro one for his birthday and now the man checks the weather app every morning HOPING for rain 💀 It's a legit solid umbrella too, not some flimsy prop. Best gift W in years.
156
24 Comments
LikeCommentShareokay copping the Shinobu right now
4h Like Reply -
8h
Expected a cheap prop, got a real 16-rib auto-open umbrella with a molded hilt that has actual weight to it. Wore it to the con on the shoulder strap and got stopped for pics all day.
302
51 Comments
LikeCommentSharemine came last week — the illusion fools everyone fr
6h Like Reply
Quick Answers
When does it arrive?
When does it arrive?
Every order ships free worldwide with tracking — typically 6–12 days door to door. You'll get a tracking number by email the moment it ships.
How big is it?
How big is it?
Closed: ~88 cm (34.6") — real katana length, which is exactly why the on-your-back illusion works. Open: a full-size ~105 cm canopy with ~16 ribs.
See the draw
Photos don't capture it. The sleeve on your back, the hilt over your shoulder, the auto-open snapping the canopy out like a special move — here's the full lineup in motion, exactly as it arrives.
Still wondering? We've got you
Is it a real umbrella?
Is it a real umbrella?
100%. Fiberglass/metal ribs, a pongee canopy with rain + UV protection, and one-press auto-open. It's a genuine daily umbrella that happens to look like a katana on your back.
Is this official Demon Slayer merch?
Is this official Demon Slayer merch?
No — RainSlayer is an independent fan brand, not affiliated with or endorsed by the Demon Slayer franchise. Designed by fans, for fans.
What if I don't love it?
What if I don't love it?
You have 30 days from delivery for a full refund — just reach out through the contact page and we'll take care of you. (Something tells us it's staying on your back.)
Claimed by fans everywhere 🗡️
Our 30-Day Money-Back Guarantee
If your blade isn't everything we promised, you have 30 days from delivery to return it for a full refund. Just reach out through the contact page — no hoops, no hassle. We're that confident it's a W.
Not a costume prop. Your daily carry.
You know the feeling — that scene, that breathing form, that blade. We made it something you can actually carry: your character's katana slung on your back, a full-size auto-open canopy the second the sky opens up. Main-character energy, every rainy day. RainSlayer is an independent fan brand — not affiliated with or endorsed by the Demon Slayer franchise. Just fans who wanted the blade IRL. 🗡️
The hilt is the whole point
Molded tsuka with a fabric-wrapped grip, a real tsuba guard, and a carry sleeve with shoulder strap that reads like a saya. Slung on your back, nobody's guessing it's an umbrella — until you draw it.
What blade-claimers report after week one:
(Unscientific. Extremely accurate.)
100%
Main-character energy in the rain
The draw-from-the-back never misses.
97%
Say the katana illusion fools everyone
Friends, strangers, con security — everyone looks twice.
0%
Regrets
Certified W.
Tyler R.
yo drop the link — I need the Giyu one