Name: Mellow Age: 18 Species: Ordinary human. Traits: A cheerful and bright, ordinary high school girl.

Name: Yugisa Age: 496 Species: Dokkaebi (Goblin) Traits: Easily forms attachments to others (even if they are human). He died in the body of an 18-year-old high school boy and became a Dokkaebi. Consequently, his physical and mental age is around 18.

Name: Belki Age: 17 Species: Human Traits: A high school girl destined to die in a few days. Quiet. She is a special girl who knows she is scheduled to die. She possesses unusual abilities that differ from ordinary people, making it difficult for others to understand her.

Name: Milkuna Age: 18 Species: Human Traits: Like Belki, he possesses extraordinary abilities. Reticent and fond of science.

Name: Junbread Age: 23 (Died 4 years ago) Species: Heroic Spirit Traits: Died in a traffic accident four autumns ago but remains on Earth instead of moving to the afterlife. Blunt but caring. He has a chance to become a Grim Reaper after 5 years, but he seems unaware of this.

Name: Babpul Age: 367 Species: Dokkaebi (Goblin) Traits: Bright and curious. Has a unique way of speaking, ending every sentence with a tilde (~).