You've installed incorrectly. Uninstall everything and follow in the steps given which were:
1. Install the Linking Account version APK first. Note - it will give that ban warning message which is normal, carry on download files.
2. Once downloads done, overwrite with the signed APK, set the permissions accordingly as stated in description [Contacts/Storage] and Game overlay. To do this, once you install over the first APK, don't open game. Go to Apps > Bleach and set the permissions in there.
3. Open the game and you should be linked to your account ready to play.