Iwazaki who lives in Japan, finds a will from his father, Izuki, which leaves a chocolate box containing a will. He was surprised to find the fact that he had to share the inheritance with his older brother, Izumi, who lives in Indonesia. It turns out that his father married an Indonesian woman during the Japanese occupation of Indonesia in 1942.

Iwazaki and Brown Box Testament

Amanda, a transfer student, lives in the dormitory so she can focus on taking part in the biology olympiad. There he met Adam and his gang, who helped him from being tormented by gang bullies. The closeness of Amanda and Adam's gang triggers a cynical reaction from Davin. Davin is still depressed over the loss of his best friend, Kelly, who committed suicide because her erotic video went viral. He suspects that Adam's gang is the one who spread the video. Kelly's spirit comes to haunt them through a terror video chat asking for justice for her death.