IU's little brother ignores all of her texts?

IU revealed a KakaoTalk conversation she had with her little brother.

Apparently, her little brother doesn't care if his older sister is one of the biggest names in Korean entertainment, because he's more bent on ignoring her. IU uploaded screenshots of her conversation with her little brother onto her fancafe, and most of the chat is IU trying to get her brother's attention by texting "Hey" over and over again.

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At one point, IU gives up with the string of "Hey"s and says instead, "If you keep ignoring me, I'm going to stop giving you all allowances." Only then he answered, "Why?".

After a few 'conversations', she finally concluded. "Oh, I guess you just don't read my texts anymore."

The conversation amused many fans, who commented, "In the end, they're just normal siblings..", "To him she's just the annoying older sister", and "She's looking out for you!"