He's a very rich chaebol, and she's a maid in his household. They grew up together. She's been having an unrequited love for him for the longest time. For him, she was like a sister. Would they stay that way, or would their feelings for each other change?

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He's the heir of one of the top three richest families in South Korea

She's a maid in his household

He watched her grow up and regarded her fondly as a sister

She's been in love with him for the longest time

She's grateful just to be able to be near him and love him from afar

It was impossible for anything to happen.

Or so she thought.

Oppa Nappa