The day started out pretty normally. Kei Nimori was just going to elementary school as usual and although he thought it was weird that his name and some other random person’s were written on the chalkboard, he didn’t pay too much attention to it—until night fell. After being sucked into an alternate dimension of his school, surrounded by horrific monsters and a pile of corpses, he has to fight just to survive! The only question is, can he keep it up until flight becomes an option again...?...

Kei Nimori, a sixth-grade elementary school student, finds his own name mysteriously written on the classroom blackboard beside a mysterious title.That night the school bell rings inside his room. Beyond the sliding door that suddenly opens lies "After-School", an otherworldly school shrouded in darkness.Its classrooms are haunted by supernatural beings, while countless gravestones cover the schoolyard. In this nightmarish place, Kei learns that he has been chosen as one of the "Caretaker"...

Kei Nimori, a sixth-grade elementary school student, finds his own name mysteriously written on the classroom blackboard beside a mysterious title.That night the school bell rings inside his room. Beyond the sliding door that suddenly opens lies "After-School", an otherworldly school shrouded in darkness.Its classrooms are haunted by supernatural beings, while countless gravestones cover the schoolyard. In this nightmarish place, Kei learns that he has been chosen as one of the "Caretaker"...

Drawn into a strange alternate world as a new warden for the mysterious creatures dwelling there, Kei Nimori continues his after-school duty of observing them. Hard at work making as perfect a record as he can, it seems like he might finally catch a break soon! Too bad the so-called “Makkakka-san” has other plans for him...

Kei Nimori, a sixth-grade elementary school student, finds his own name mysteriously written on the classroom blackboard beside a mysterious title.That night the school bell rings inside his room. Beyond the sliding door that suddenly opens lies "After-School", an otherworldly school shrouded in darkness.Its classrooms are haunted by supernatural beings, while countless gravestones cover the schoolyard. In this nightmarish place, Kei learns that he has been chosen as one of the "Caretaker"...

Kei Nimori, a sixth-grade elementary school student, finds his own name mysteriously written on the classroom blackboard beside a mysterious title.That night the school bell rings inside his room. Beyond the sliding door that suddenly opens lies "After-School", an otherworldly school shrouded in darkness.Its classrooms are haunted by supernatural beings, while countless gravestones cover the schoolyard. In this nightmarish place, Kei learns that he has been chosen as one of the "Caretaker"...

Kei Nimori, a sixth-grade elementary school student, finds his own name mysteriously written on the classroom blackboard beside a mysterious title.That night the school bell rings inside his room. Beyond the sliding door that suddenly opens lies "After-School", an otherworldly school shrouded in darkness.Its classrooms are haunted by supernatural beings, while countless gravestones cover the schoolyard. In this nightmarish place, Kei learns that he has been chosen as one of the "Caretaker"...

Kei Nimori, a sixth-grade elementary school student, finds his own name mysteriously written on the classroom blackboard beside a mysterious title.That night the school bell rings inside his room. Beyond the sliding door that suddenly opens lies "After-School", an otherworldly school shrouded in darkness.Its classrooms are haunted by supernatural beings, while countless gravestones cover the schoolyard. In this nightmarish place, Kei learns that he has been chosen as one of the "Caretaker"...

Kei Nimori, a sixth-grade elementary school student, finds his own name mysteriously written on the classroom blackboard beside a mysterious title.That night the school bell rings inside his room. Beyond the sliding door that suddenly opens lies "After-School", an otherworldly school shrouded in darkness.Its classrooms are haunted by supernatural beings, while countless gravestones cover the schoolyard. In this nightmarish place, Kei learns that he has been chosen as one of the "Caretaker"...

Kei Nimori, a sixth-grade elementary school student, finds his own name mysteriously written on the classroom blackboard beside a mysterious title.That night the school bell rings inside his room. Beyond the sliding door that suddenly opens lies "After-School", an otherworldly school shrouded in darkness.Its classrooms are haunted by supernatural beings, while countless gravestones cover the schoolyard. In this nightmarish place, Kei learns that he has been chosen as one of the "Caretaker"...

Kei Nimori, a sixth-grade elementary school student, finds his own name mysteriously written on the classroom blackboard beside a mysterious title.That night the school bell rings inside his room. Beyond the sliding door that suddenly opens lies "After-School", an otherworldly school shrouded in darkness.Its classrooms are haunted by supernatural beings, while countless gravestones cover the schoolyard. In this nightmarish place, Kei learns that he has been chosen as one of the "Caretaker"...

Kei Nimori, a sixth-grade elementary school student, finds his own name mysteriously written on the classroom blackboard beside a mysterious title.That night the school bell rings inside his room. Beyond the sliding door that suddenly opens lies "After-School", an otherworldly school shrouded in darkness.Its classrooms are haunted by supernatural beings, while countless gravestones cover the schoolyard. In this nightmarish place, Kei learns that he has been chosen as one of the "Caretaker"...