s.osafune

@osafune

https://github.com/osafune https://x.com/s_osafune https://misskey.io/@s_osafune https://www.switch-science.com/collections/all/cat:%E3%82%B9%E3%82%A4%E3%83%83%E3%83%81%E3%82%B5%E3%82%A4%E3%82%A8%E3%83%B3%E3%82%B9%E3%83%9E%E3%83%BC%E3%82%B1%E3%83%83%