404. That’s an error.
The requested URL /_/+1/confirm?hl=ja&url=https://hanayome-library.net/5ad766446f8d434f430bc634ab2c966b/ was not found on this server. That’s all we know.
/_/+1/confirm?hl=ja&url=https://hanayome-library.net/5ad766446f8d434f430bc634ab2c966b/