Hari Koo

The protagonist of "The Haunted House series". A girl who alongside her brother and a strange goblin residing in her apartment complex, captures spirits in a device called the "Ghost ball". Hari Koo is a somewhat fearless girl who seems to attract the supernatural. After she and her brother obtained the Ghost Ball, they started to capture malicious spirits wherever they found them. She does not exorcise spirits but contains them in Ghost Ball. From there they can be manipulated for their various abilities. Hari Koo's love interest in the series is Choi Kanglim.