Settings -> System -> News Channel Settings
You should be able to unsubscribe from the Japanese news feed.
I couldn't do it um it took news feed away all together :( but still have news icon can click
My second Xbl:Segasaturnsan
My Nintendo Friend Code:1302-4985-4999
My youtube Channel:https://www.youtube.com/channel/UC2EeIs1FP89Oz7du7IAEbqg?view_as=subscriber