Will my account get banned if i changed the client language to Japanese when i play on EUW

i just find out on the Board that i can change the Client language to Japanese and others.So i went and tested it on my smurf, surprisingly it does work. However my concern is that will my account get banned if i do this ? and why isn't this a pre-set option from foreign players who live in EU (Or me in Africa) to play in their own preferred language, which is available? https://imgur.com/a/ZnIYIuF

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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