MONO Original

April is the beloved 8 year-old daughter of Pij and Ake. Unfortunately, she is kidnapped mysteriously, and Pij dedicates her life to finding her missing daughter.

Joy is a former soldier, daughter of the Land Marine who was assassinated while on a mission. Joy was approached by a warrior, a close friend of her late father, to join the 'Project Busaba', a project to train tough girls to be assassins to serve the nation. She decided to join the project and passed the test, becoming an assassin under the code 'Busaba 029'. However, while she is doing missions, 'Busaba 029' finds suspicious things about her father and the project itself.

After the brutal deaths of his father and friend, a young man starts to believe a local woman possessed by an evil spirit is responsible for the murders.