わーるどわいどうぇぶ
https://mstdn.nere9.help/media/87IY9K0eJRsSIUtnFds
https://mstdn.nere9.help/media/kX_bHmv-nVNrNgHkoTc
https://mstdn.nere9.help/media/b90fK33fPLEvMqtWnkk
思考の /dev/null