koteitan on Nostr: https://scrapbox.io/nostr/Zap%E3%81%AE%E8%A8%AD%E5%AE%9A%E3%82%AC%E3%82%A4%E3%83%89 https://scrapbox.io/nostr/Zap%E3%81%AE%E8%A8%AD%E5%AE%9A%E3%82%AC%E3%82%A4%E3%83%89