Selected Proof

Projects

A product studio centered on Shopify, growing COSMA.

8 / 8 Projects

Portfolio Index

Planned, built, and operated in-house.

Start a Project

Shopify Apps

Maru Booking

A Shopify-integrated booking app. Zero booking fees, 100% customer data ownership.

Shopify Apps

Maru Search

A Japanese search app for Shopify. Searches products, blogs, and pages together; Pro adds review collection, display, replies, review rating filters, and review-powered relevance. Basic $29.99 / Pro $49.99 — 7-day free trial.

Shopify Apps

Maru Invoice

Issue invoices, delivery slips, receipts, and estimates from Shopify admin. Adjust tax differences with accounting software down to 1 yen.

Shopify Apps

Maru Sales Ranking

Auto-generate best-seller rankings from order data, with collection-specific displays plus Pro attribution and A/B testing.

Web Service

COSMA

A cosplay-focused marketplace for costumes, wigs, props, and more, planned, built, and operated by Pepin.

External Link

Collaboration

DE BLANKK

Collaboration with DE BLANKK Inc. Direction, design, and coding for their corporate website.

External Link

Collaboration

HOT DOG TOWN

Collaboration with HOT DOG STUDIO. Coding for multiple landing pages.

External Link

Collaboration

Karen Moriyama

Collaboration with DE BLANKK Inc. E-commerce site for the Karen Moriyama brand.

External Link

Start by telling us what is stuck.

App questions and broader Shopify questions are equally welcome. Nothing needs to be fully specified yet. We usually reply within two business days.

Book a 30-min consultation See all apps