Little Uncle [GB]

When the girl he had gone on a date with just the day before showed up at his door to wish his family a happy new year and cheerfully called him Uncle, Yan Yi completely panicked... ★ They're not really uncle and niece, and are not related by blood ★ Five-year age gap ★ The male lead is completely pure in both body and mind Theme: Everything under heaven has its place, and everything that exists is justified