Masaru Takei
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mtake1.bsky.social
Masaru Takei
@mtake1.bsky.social
Writer in Tokyo ✍️
Essays on culture, business, and everyday life.
HR leader turned essayist — exploring how stories shape work and society.
Author of Letter from Tokyo on Substack.
https://substack.com/@letterfromtokyo
v1.3.3 is approved and live.
The 9th photo skin, DUOTONE — a leaf photo converted into just two colors, deep green and cream. Different process from every skin before it.
9 photo skins total now: 1 free, 8 paid.
#BuildInPublic #Shipaton
September 22, 2026 at 5:12 AM
Day 47 of #Shipaton2026
A little over a month since I shipped on Aug 14. Since then: new features, submitted to Devpost early, opened TikTok/YouTube accounts, wrote about it.
Shipping isn't the finish line — getting people to know and use it takes work in every direction.
#BuildInPublic #Shipaton
September 17, 2026 at 2:42 PM
Day 47 of #Shipaton2026
Approved for Apple's Small Business Program — commission dropped 30% to 15%.
Two more photo skins went live today. Offer codes for all 7 are done.
Submitted a 9th skin, DUOTONE — a new two-tone process, different from anything shipped so far.
#BuildInPublic #Shipaton
September 16, 2026 at 3:38 PM
Day 45 of #Shipaton2026
Two YouTube Shorts went live tonight, as scheduled. Split into "Create" and "Hype" — each shows what MyFes does in under 20 seconds, text-heavy, same format as the TikTok videos.
#BuildInPublic #Shipaton
Feature video is up: Create.
Put together any artists you want, on one poster.
#KendrickLamar and #Drake will probably never share a stage. In the poster, they can. That's the fun — building the lineup you actually wanted to see.

youtube.com/shorts/CPhSd...
#MyFes #buildinpubic
MyFes — Create: Book whoever you want | Shipaton 2026
YouTube video by MyFes
youtube.com
September 15, 2026 at 2:48 PM
Second video is up: Hype.
Beyond creating, you can react to festivals other people dreamed up.
Someone built #Radiohead × #Beyoncé, and you say "I'd go" — or name what you'd pay.
The fun is being understood: someone else gets why that lineup matters.
youtube.com/shorts/HlHWd...
#buildinpublic
MyFes — Hype: Name your price | Shipaton 2026
YouTube video by MyFes
youtube.com
September 15, 2026 at 10:15 AM
Feature video is up: Create.
Put together any artists you want, on one poster.
#KendrickLamar and #Drake will probably never share a stage. In the poster, they can. That's the fun — building the lineup you actually wanted to see.

youtube.com/shorts/CPhSd...
#MyFes #buildinpubic
MyFes — Create: Book whoever you want | Shipaton 2026
YouTube video by MyFes
youtube.com
September 15, 2026 at 10:13 AM
Day 45 of #Shipaton2026
Weekend work: submitted the next two photo skins for review. LIGHTHOUSE had a purchase bug on TestFlight that cost a day, but it's fixed and in.
Offer codes for every skin are in progress.
#BuildInPublic #Shipaton
September 14, 2026 at 2:17 PM
Update: the ocean skin just went live.
Day 42 of #Shipaton2026 #BuildInPublic

apps.apple.com/jp/app/myfes...
September 12, 2026 at 8:40 AM
Day 42 of #Shipaton2026
Three TikToks in. Billie Eilish is clearly outperforming the others — current, active artists seem to move faster than nostalgia acts.
A new ocean-themed skin is in App Review. Two more built and ready to ship.
#BuildInPublic #Shipaton @revenuecat.com
September 11, 2026 at 2:16 PM
Day 41 of #Shipaton2026
Mostly backend work. Found a spam-like post disguised as a festival in Hype, deleted it, added a filter.
Also learned: posting TikTok from a browser gets zero views. Posting from my phone fixed it instantly.
#BuildInPublic #Shipaton @revenuecat.com
September 10, 2026 at 1:43 PM
Day 40 of #Shipaton2026
Made a short video for TikTok.
Almost went with a feature walkthrough. Killed it — the UI doesn't move enough to carry a video on its own. Stripped it down to a question, a poster, another question. Nothing else.
#BuildInPublic #Shipaton @revenuecat.com
September 9, 2026 at 3:19 PM
Day 39 of #Shipaton2026
Submitted to Devpost.
The demo video I'd been poking at since late August finally came together. Two minutes, my own English narration on top.
Next: more skins, a few short how-to videos.
#BuildInPublic #Shipaton @revenuecat.com
September 8, 2026 at 2:12 PM
Shaky Knees is next week. Here's the set I'd actually run if it were mine: #Turnstile and #TheStrokes headlining, with Jimmy Eat World, OK Go, Blood Orange and Minus the Bear.
Who's on your version? Build yours and I'll tell you if I'd go.
#ShakyKnees
my-fes.vercel.app/f/8cb16516-b...
September 8, 2026 at 8:19 AM
Day 35 of #Shipaton2026
Demo video: audio done. Narration, captions, music, logo, somehow.
Now the app screens. Recorded my iPhone via QuickTime, made the phone frame in Keynote.
More tomorrow. Chip away over the weekend, maybe submit next week.
#BuildInPublic #Shipaton @revenuecat.com
September 4, 2026 at 2:22 PM
Day 32. BLUE NIGHT and OPEN AIR got approved and are live.

Four photo-based skins now: THE ENTRANCE, RED ROOM, BLUE NIGHT, OPEN AIR.

#Shipaton2026 #BuildInPublic @revenuecat.com
Day 31. Submitted two new photo skins I'd been working on since the weekend — BLUE NIGHT and OPEN AIR.

OPEN AIR uses a daytime photo. White text turned out unreadable on it, switched to dark navy.

Also fixed a seam bug in the share images.

#Shipaton2026 #BuildInPublic @revenuecat.com
September 1, 2026 at 2:21 PM
Day 31. Submitted two new photo skins I'd been working on since the weekend — BLUE NIGHT and OPEN AIR.

OPEN AIR uses a daytime photo. White text turned out unreadable on it, switched to dark navy.

Also fixed a seam bug in the share images.

#Shipaton2026 #BuildInPublic @revenuecat.com
August 31, 2026 at 2:46 PM
Why is it so easy to say “wanna do Mounjaro?”

A diabetes drug becomes a verb.
A reality show becomes a glow-up story.
A 14-year-old’s thinness hits a record high.

None of these started this year.

New essay — link below.
letterfromtokyo.substack.com/p/the-word-t...
The Word That Made a Medicine Casual【Weekend Tokyo#053】
A Name Easy to Say
letterfromtokyo.substack.com
August 29, 2026 at 1:45 AM
Day 26. Hype got approved and shipped.

Wrote about it everywhere today — a note in Japanese, an X article and a LinkedIn post in English.

Building a lineup alone is fun. But "would you pay to see this?" only becomes real once you show someone. That's what Hype is for.

#Shipaton2026 #BuildInPublic
August 26, 2026 at 12:51 PM
Wrote a longer piece on LinkedIn about the feature I just shipped for MyFes: Hype.

Building a festival lineup alone is fun. But "would you actually pay to see this?" only becomes real once you show someone.
www.linkedin.com/pulse/would-...
#Shipaton2026 #BuildInPublic @revenuecat.com
Would You Pay to See Radiohead and Beyoncé on the Same Bill?
A quick recap for anyone new here: MyFes lets you build the lineup for a music festival that doesn't exist, using artists you love, then share it. Here's what just got added.
www.linkedin.com
August 26, 2026 at 12:47 PM
Day 25. Finally submitted the new update for review.
"Hype" is the big one — prepped over summer break. Browse festivals other people made inside the app, react with "I'd go" if something catches your eye.
Also added a home screen to choose between creating and browsing.
#Shipaton2026 #BuildInPublic
August 25, 2026 at 3:20 PM
Tokyo's office vacancy rate just hit 1.5% —
the lowest of any major city on earth.
Everyone calls it a recovery story.
It might actually be a story about who gets to be in the room
when something can only be passed down face to face.
And who doesn't.
letterfromtokyo.substack.com/p/what-can-o...
What Can Only Be Passed On in Person【Workday Tokyo #052】
Tokyo's Lowest Vacancy Rate in the World, and Who Pays for It
letterfromtokyo.substack.com
August 25, 2026 at 10:07 AM
A Japanese city’s ordinance made 27% “aware” of their phone use.
Only 5% changed anything.
A private app hit 1M downloads — no ordinance, just teens deciding on their own.
Awareness isn’t the bottleneck.
letterfromtokyo.substack.com/p/nobody-is-...
Nobody Is Treating Gaming Disorder. They're Just Selling Time Management.【Workday Tokyo #051】
I learned the name of Japan's leading addiction treatment center from my sixth-grader's summer homework.
letterfromtokyo.substack.com
August 20, 2026 at 4:51 PM
Today's small bug find.
Festivals with the new photo skins show the wrong background when someone opens the shared URL. The poster itself is fine.
Forgot to register the new skins on the viewing page, so it falls back to a default.
Fixing it when I'm back from break.
#Shipaton2026 #BuildInPublic
August 18, 2026 at 10:48 AM
Day 18. v1.2 got approved! Had it set to auto-release, so it just went live on the store.

All 8 templates are now free — 6 used to be paid. Also added two new photo-based skins (one free, one $1.99).

Good timing too, heading into a short break starting today.

#Shipaton2026 #BuildInPublic
August 18, 2026 at 9:37 AM
Day 17. Submitted v1.2 for review — all skins now free, plus two new photo-based ones.

Taking a short break starting the day after tomorrow, so I set it to auto-release this time. If approved, it just goes live on its own.
Fingers crossed.

#Shipaton2026 #BuildInPublic @revenuecat.com
August 17, 2026 at 2:39 PM