Satake (佐竹, Satake) was a classmate of Takahata Shun. He appears in the first chapter wanting to read the Shounen Jump Shun had bought. He notices, Aya, has not arrived and soon after she arrives, Satake and the rest of his class witness their teacher's death and are then forced to play Daruma ga Koronda multiple students are killed before the Student Council Chief warns them not to move. Aya notices a countdown on the Daruma doll and attempts to stop it, however her finger is caught on Satake's bag, and to his horror, the bag falls - resulting in the Daruma doll shooting Aya, who is killed immediately. Satake breaks and run towards her body before also being shot and killed.