The stars floating in the background of this webpage are not a video, but rather 5,000 stars randomly placed and rendered in real-time. About 15% of them are colored stars, adding vibrancy to the background. The source code is publicly available on GitHub, so please take a look if you're interested.

You can count the characters you input. You can set a target number of characters and visualize how close you are to the target. It also has AI that provides free advice on the text you input.

I developed this as an internal app after hearing from the president of a local car company that creating quotations in Excel every time was a hassle. By pre-entering tire information into a database and performing conditional searches, anyone can create quotations with the same quality without making mistakes in the amount.

“Menhera todo” is an app that won first prize at a hackathon with the theme “Goofy Todo App.” You manage tasks alongside a needy girl named Hera-chan: completing tasks raises her affection, while neglecting or deleting them lowers it—eventually triggering a “bad end” with forced account deletion. It’s chaotic but just about usable.

Paradia is an SNS-style app that won first prize at the Supporters Geek Sai Hackathon. It’s built on a theme of contradiction: on the surface it looks like a happy utopia, but behind the scenes it’s a dark world with complete information control. Every post is checked and rewritten by the AI “Ordina,” and any negative content is erased. A simple, clear UI pulls users into this unique setting immediately.