Kento Maruyama
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sakanate.bsky.social
Kento Maruyama
@sakanate.bsky.social
スタートアップを目指す千葉ロッテファンです。
自分のやりたいことと、自分にできることのギャップ。常々絶望させられる。
December 8, 2025 at 11:53 AM
作って壊してスプリント5周したら、やっと方向性が見えてきた。自宅保育で全然時間ないけど、ようやっとる。

後4ヶ月くらいでプレシードの調達できんと終わりやけど、さてできるかな?笑
December 5, 2025 at 7:21 AM
ようやっとる。自分、ようやっとるぞ。
November 5, 2025 at 12:50 PM
ギータ最高や愛してる
October 30, 2025 at 1:36 PM
吉井監督のラストコメントでまぢ泣いた。明日から仕事頑張ろう。
October 5, 2025 at 8:58 AM
吉井監督やめちゃうかー。もうイケおじの萌え袖とパーカー姿見れんくなるんか。残念。
October 5, 2025 at 2:38 AM
千葉ロッテファンになりました。
プロ野球に最近どっぷりハマってます。
October 4, 2025 at 11:44 AM
Supabaseをかなり理解できてきた。うれしい。
July 22, 2025 at 1:41 PM
My cat’s nickname is “なんこつ (Nankotsu)” — which means “gristle” in English.
June 17, 2025 at 11:10 AM
Dev Log #1
Locked in the problem & solution — no more pivots (hopefully). Making good progress on the AI assistant. The product’s called indiff: a platform to help people surface their problems and connect with devs who build solutions.
June 13, 2025 at 10:31 AM
Took my dog with me to a trash cleanup volunteer event today.
May 25, 2025 at 1:03 AM
We took the domain indiff.io today.

With our product, users will start sending thoughtful feedback like this — proactively and on their own.

Not AI-generated. Real humans.
Pretty cool, right?

#buildinpublic
May 24, 2025 at 11:22 AM
I’ve been validating my idea for the past two months. This week, I finally started building.

Honestly, I used to wonder if building something that truly solves this problem was just a dream. But now I’m starting to realize it’s actually possible. Feels super reassuring.

#buildinpublic
May 21, 2025 at 11:32 AM
People say, “Don’t quit your 9-5 until your side project makes money.”
But there’s another way – quit, set a deadline, and go all-in with your savings.

As a Tech-Lead Manager, my day job drained my energy. Plus, with a kid at home, building a profitable product in my spare time wasn’t realistic.
May 14, 2025 at 11:55 PM
Anyone Looking for FeedBack?
Here are some feedback examples from me.

1. Tough Tongue AI
www.reddit.com/r/startups/c...

2. Road265
www.reddit.com/r/startups/c...

#buildinpublic
May 10, 2025 at 12:34 PM
Looks like I can do what I want to do in the r/startup community on Reddit.
I’ll be giving feedback to others and testing my problems and solutions there!
May 10, 2025 at 1:56 AM
Anyone Looking for Feedback?

Are you looking for real user feedback and insights to refine your product? If so, I’d love to collaborate with you!

I'm a passionate indie hacker and part of the #buildinpublic community, eager to help you take your product to the next level.

👇
May 9, 2025 at 11:28 AM
This isn’t moving backwards. It’s all progress.
May 8, 2025 at 9:10 PM
I’ve translated most of my handbook into English.
It’s ridiculously long, so just check out the parts you’re curious about. Haha.

I basically built it by asking ChatGPT a million questions.
Hope you find something useful for your project!

handbook.redesigned-doodle.org
Handbook
handbook.redesigned-doodle.org
May 7, 2025 at 8:02 AM
My DMs are wide open!
Feel free to chat anytime about the product, the handbook, or anything else on your mind.

I’m happy to support fellow indie hackers however I can—because someday, I’ll be asking for your help too.
May 6, 2025 at 11:30 AM
Hi #buildinpublic!
For those building 0→1:

1. How do you find your first users?
2. If no friends fit as users, how do you reach new ones?

Thanks! I think this is something we all face. Would love to hear your tips!
April 30, 2025 at 11:53 PM
It just hit me that ChatGPT is actually my co-founder.
April 24, 2025 at 2:48 PM
Just read "What happened to Tandem" by Rajiv Ayyangar. Huge respect for how they faced the harsh realities of startup life. I'm truly graceful I came across this before starting my own.

blog.rajivayyangar.com/what-happene...
What happened to Tandem (virtual office)
Originally posted in Bookface (YC forum) as "Shutdown Bookface (kind of): Tandem S19 (virtual office)" tldr: We didn’t find a venture-scale market, perhaps because most people value the autonomy of...
blog.rajivayyangar.com
April 20, 2025 at 12:52 PM
春風に 舞うは 花粉と犬
木は刈ればよし 犬は刈れど終わりなし
February 21, 2024 at 11:00 AM