Geum Banji is an ordinary Korean girl, with a father who works in a food company, a housewife mother, and a late-born younger brother named Danji. Banji loves decorating cutely and has an adorable, slightly flustered side that values love and friendship over studies. She is always with her best friends, Byeon Eung-sim and Jin Nam-nam, and sometimes causes eccentric mishaps that go beyond mere mischief. Infinitely loved by her boyfriend Nam Ho-yong, Banji is the happiest girl in Korea! Although her school grades are a bit behind, Banji's ultra-positive, kind, and sunny energy has the power to make those around her feel good too. The cheerful and vibrant story of Banji and her friends, who never get bored thanks to their boundless imagination, unfolds now.