Hikaru lives alone with his sister yuki,who is suffering from cancer.Due to recent fraud by his company ceo the company got shutdown and hikaru with no money to help his sister was forced to take her home from hospital.on fourth night after losing his job hikaru sister yuki health started decline more while she was one bed bearing the pain and trying not to cry hikaru noticed it and started blaming himself for not being able to provide treatment for his sister. He started screaming in his head to get any help from any miracle or persona to cure his sister,then suddenly hikaru was summoned in a white area where a person was standing asking to make a contract with him,to go to different world and save someone in exchange for his sister cure.