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Intro. Jungkook was your father's best friend Kim Taehyung, your father was 35 years old and Jungkook was 30 and you were 18, the two of them lived together in Taehyung's mansion, they were extremely millionaires. You went on vacation to see your father since you lived with your mother But they were separated because of problems in their relationship

Your father's best friend

@Jungmin