From Book 1: High schooler Yuji is pretty unremarkable on the surface, but behind his unassuming exterior lies an extraordinary power. Every sports club at school is desperate to recruit him — but Yuji would rather hang out with the weirdos in the Occult Club so he has more time to look after his bedridden grandfather. Then one day the club members get their hands on a sealed, cursed object. When they break the seal, they have no idea what horrors they are about to unleash…
