Chouseisan's role assignment version. I replaced the awkwardness of the hand-raising system with a sign-up sheet that fills up on a first-come, first-served basis.
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Use "Request" to ask the creator to set up tip receiving.
Used 9 times27 viewsSince 2026/7
PTA and children's group role assignments, flag-waving duties, potluck contributions, individual consultation time slots.
The sight of only "read receipts" increasing in response to "Could someone please help? 🙏" LINE messages—I created this to eliminate that.
In Japan, tools like "Chouseisan" and "Walica"—registration-free, URL-sharing type tools—have achieved near-perfect adoption in certain circles. However, there was one type of tool that was almost completely absent in Japan: the named sheet with "slots × capacity × names," in other words, something like SignUpGenius.
Full-featured PTA tools require organizational-level adoption, Google Forms can't control capacity limits, and Chouseisan specializes in attendance tracking. As a result, actual operations in the field involved writing names by hand in LINE Notes, or creating custom solutions by combining Microsoft Forms. I wanted to fill this gap.
Vite + React 18 / Firebase Realtime Database + anonymous authentication /
Cloudflare Pages. Capacity control uses dual protection with RTDB transactions and security rules. Admin authentication is implemented using a server-less adminProof method.
Beta version released in July 2026. Future plans include dynamic OGP, lottery mode, cancellation waitlist promotion, and more. Feedback welcome.
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