Yup, it's just normal. KYC and AML are clearly necessary nowadays when transferring values from crypto world to fiat world.
So the emphasis is on
Improvement. Nothing scary

To be honest, Japan has always come across as a crypto-friendly country despite huge turbulence caused by incidents like the Mt. Gox hack. Japanese people are very lucky because of this! The exchanges should respect the requests of the regulator and stay compliant. I wished more countries were like Japan!