

'Onii-chan' is just how a girl addresses her big bro originally. But now, it's
widely used as a fan service in anime. When did 'onii-chan' start to become a
fan service stuff?


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2023-01-14T03:59:26.290
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2023-01-14T03:59:26.290
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question
anime-history
When did 'onii-chan' start to become a fan service stuff?