Rui Tanabe

Jyugo Yama is a boy who was disowned by his father and forced to transfer to a high school on an artificial island. He begins to live by himself, only to discover his room is haunted by the ghost named Nanana Ryugajou. She was murdered ten years ago and cannot rest in peace until her killer is found. Before her death, Nanana collected things from all over the world and hid them on the island....

Yuki plays death games for a living, but when she wakes in a mansion with five other women, can she survive a new lethal maze of locked rooms and traps?

After a traumatic incident ends his teaching career, Rei Hitoma is certain he hates humans. Yet when he sees a job for "a teacher who truly cares for their students," he's compelled to apply. Before he knows it, he's hired-only to find out his students are demi-humans. What begins as a job becomes a journey for healing for both a teacher who's lost faith in humanity and students who dream of it.