
Clothing Size Chart
All items are unisex, pre-shrunk, and follow US/EU sizing (not Asian sizing).
For a true-to-size fit, order your usual size.
For an oversized fit, size up by one.
T-Shirt Size Chart
Please note there may be a manual measurement error of 1–3 cm.

How we measure:
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Length: From the highest point next to the neckline straight down to the bottom hem.
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Chest: Shirt laid flat; measure from one armpit to the other with the fabric smooth.
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Sleeve: From the shoulder seam to the end of the sleeve, keeping the sleeve straight and flat.
Secure Checkout
Fast ShippingDescription
No mercy. No hesitation. No apologies for either.
The No Mercy Oni Warrior T-Shirt pulls from the rawest tradition in Japanese folklore — the oni who doesn't negotiate, doesn't soften, and doesn't come back twice. There's something almost liberating about that energy. In a world that wants you to water yourself down, the oni is a reminder that real power doesn't ask for permission.
This tee is for the ones who've spent too long being the bigger person and are finally done with it. Not rage — precision. Not chaos — clarity. The graphic is bold, the design is aggressive in the best way, and the vibe is unmistakably clear: this person is not the one.
Best worn on days when you need to feel like yourself again. Which, if you're honest, is most days. Heavy graphic, premium feel, built to last through every battle you choose to fight.
Washing Instructions
Machine wash cold (30°C / 86°F) with similar colors
Do not bleach
Tumble dry on low heat or lay flat to dry
Iron on low heat if needed
Do not dry clean
Shipping & Returns
Free Shipping
Enjoy free shipping on all orders over $75. No code needed — the discount is applied automatically at checkout.
Easy 30-Day Returns
We want you to love what you ordered. If you're not completely satisfied, we accept returns within 30 days of delivery — no hassle, no stress.
Return Conditions
To be eligible for a return, items must be:
- Unworn and unused
- In their original packaging
- In the same condition as received
If your return meets these conditions, simply reach out to our support team and we'll guide you through the process.