In the summer of Nagoya , a young kid name Sata uzimaki at age 7 exsploring a abonded building were his great grandma played Shogi , and suddenly had a heart attack aftern losing a match of Shogi at a age of 30 . The place was burned downed after believing to cause the deaths of those who came out of their . Bieng dumb he entered the rebuild place wich seemed cleaned , entering the room were people died of losing a match . Finding the place bored he left , but did not leave alone , no instead a curse had fallowed him after he broked a sealed case . A decade went after that years passed and Sata uzimaki shools re opens a Shogi club after a group of ten teenager of an age of 17 , a first year in the school of Nagayo international highschool found out thateach team victory they would earn an big amount of cash would be rewarded each month for the club wins . Sata bieng the skilled Shogi player was he joined the club going on an adventure killing spree as the loser of the match will die after 72 hours . After mysterious death of the death of the shogi players who lost battles the under cover cia student is know planing on putting a suspect in jail and sentence .