404. That’s an error.
The requested URL /_/+1/confirm?hl=ja&url=http://black-hossy.xyz/2017/10/18/%E3%80%90%E8%AA%9E%E9%8C%B2%E3%80%91%E3%83%A9%E3%83%9F%E3%83%AC%E3%82%B9%E7%9B%A3%E7%9D%A3%E3%80%8C%E3%82%A2%E3%83%B3%E3%83%91%E3%82%A4%E3%82%A2%E3%81%AE%E6%96%B9%E3%82%82%E5%BA%83%E5%B3%B6%E3%81%8C-2/
was not found on this server. That’s all we know.