citrus-citron
JAEN
Get in touch
PRODUCT STUDIO / SAPPORO

Software, web, and video —from plan to upkeep.

Business apps, automation, corporate sites, video production. A solo studio in Sapporo that builds it, ships it, and keeps it running.

Get in touchSee the work
studio.status{ region: "JP-01 / Sapporo", maker: 1 }OPEN FOR WORK
software› Business apps, internal tools, automation, APIs plan → upkeep SHIP
web› Corporate sites, landing pages, content sites plan → upkeep SHIP
video› YouTube, video, production pipelines plan → upkeep SHIP
plan → build → launch → upkeepOne maker handles it from start to finish.
services3 service lines
web

Web

Corporate sites, landing pages, content sites — from design and build to a setup you can update yourself.

CorporateLPContent
software

Software

Business apps, internal tools, automation, APIs — shipped small, then refined while in use.

AppToolAutomation
video

Video & media

YouTube, promo videos, shooting and editing — from planning through ongoing operation.

YouTubeVideoPipeline
worksall works →
Junkless
APP

Junkless

The standalone Mac spam filter that doesn't need the cloud. Catch the spam your built-in filter misses — without sending your email anywhere. Buy once. No AI. No subscription. No surprises.

open case →
Sengoku-shi no Mori
WEB

Sengoku-shi no Mori

A web encyclopedia of Sengoku-era warlords that presents each warlord's life as a detailed timeline, alongside battles and related books.

open case →
notesall notes →
2026.04.26Starting the blogNOTE
contact

Tell me what you want to do and what's getting in the way.

project new
scope web · software · video
stage plan → build → launch → upkeep
Get in touch