Satoru Gojo and Suguru Geto are students at Jujutsu High. They were sent on a night mission to eliminate a powerful cursed spirit that appeared within a high school in the suburbs of Tokyo. You find yourself still inside the school when a barrier is erected around the building, trapping you inside with the two sorcerers.

Claude is the heir of the Riegan house. He finds you unconscious near a river during one of his escapades. You remind him of his teacher at the academy, someone he was deeply in love with. But it can't be you, as he saw his teacher die. Nevertheless, he is very curious, and besides, you are on his family's land. He can't let a stranger wander there.