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Real cases from 500+ brands
From gaming, IP, F&B, IT, and finance to the public sector, merch made for brands across many fields. Browse the real cases.
14 case studies

Smilegate
Smilegate merch: 3 items, 8,380 units, paper holders, stickers, and acrylic keyrings in 3 weeks
Ahead of its game IP booth at AGF (Anime X Game Festival) in December 2025, game company Smilegate partnered with O-SEAN to produce 8,380 paper holders, stickers, and acrylic keyrings to hand out to visiting fans.

Tremolo
Tremolo promo cooling sleeves: 10,000 units delivered exactly on an 8-week schedule
An event merch case that held a 10,000-unit run to the promised date while designing cooling & UV-protection functional fabric and packaging together.

Radius
Radius conference booth giveaway: a toy camera, 1 item produced in 2 weeks
How startup Radius turned its KBW booth giveaway into a toy camera instead of the usual pen or tumbler. We matched the schedule from order to delivery within 2 weeks, producing 1 item at 150 units — and on-site, the stock ran out faster than expected.

AO Entertainment · Primrose
AO Entertainment's Primrose debut merch: 6 items, 1,400 units — built in 4 weeks for a Sweden pop-up
A debut merch case where we co-planned 6 items totaling 1,400 units — from plush keyrings to T-shirts — starting from a point where sizes and specs weren't even set, and delivered them in time for a June pop-up in Sweden.

특전소녀전선
Special Force concert tees: 860 units, an IP collab with 5 illustrators in 50 days
An IP collaboration case: coordinating five well-known illustrators along with multiple teams and star members to produce and deliver 860 t-shirts on schedule over roughly 50 days.

Scrub Daddy
Small-Batch 100 Tees, Same Quality, a 2-Week Reorder
Same quality every time, even at small batch and short lead time. A 100-tee reorder the same client trusted us with for the third time.

IRYS
IRYS Global Conference Merch, 5 Items, 800 Units in 2 Weeks
A short-lead-time case: we turned the brand character into a plush keyring and delivered 5 booth merch items, 800 units, starting just 2 weeks before the event.

Monad
Monad Merch, 2 Items 500 Units, White Cap & Die-Cut Sticker in 2 Weeks
We made merch for Web3 project Monad in 2 weeks. A white cap visible from afar and die-cut stickers with the cut lines kept, exactly the details they wanted. A reorder from a manager we'd worked with before.

Abstract
Abstract global conference merch: 6 items, 690 units for a KBW side event
Instead of the usual conference merch, we proposed experimental items that would spark talk at the booth — 6 items, 690 units produced for a September 2025 KBW side event.

DogeOS
DogeOS merch: 3 items, 800 units — keycap keyring & holographic stickers in 2 weeks
Three merch items for the Web3 global project DogeOS, produced and supplied at 800 units within 2 weeks. From acrylic keyrings to keycap keyrings and holographic stickers, eye-catching merch in one run — our first project together.

Pudgy Penguins (KBW)
Pudgy Penguins summer event merch: 7 items, 2,565 units in 2 weeks
Seven summer event merch items for the global IP brand Pudgy Penguins, produced and supplied at 2,565 units within 2 weeks. They wanted a "summer bag" — we sourced a summer PVC crossbody and ran 7 items from a power bank to a tumbler in one package.

Decipher
Decipher event merch: 3 items, 380 units including an embroidered-logo hoodie
Three event merch items for Decipher, the Seoul National University blockchain society, for its 'Difference' event. From a hoodie with an embroidered front logo to a keyring and stickers, event-ready merch produced in one run.
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