Marie thinks that she is being used as a substitute fiancée for her lost sister Anastasia; due to her parents breaking her self-worth. In truth, she was the one the proposal was meant for; the sender had mixed up their names.

Sasaki, an office worker, buys a bird that can actually give him supernatural powers to cross between worlds. Although he wants to use that power to live in peace, there are various characters who may get in the way of his wishes.

A boy swallows a cursed talisman - the finger of a demon - and becomes cursed himself. He enters a shaman's school to be able to locate the demon's other body parts and thus exorcise himself.

Yuta Okkotsu, a high schooler who gains control of an extremely powerful Cursed Spirit and gets enrolled in the Tokyo Prefectural Jujutsu High School by Jujutsu Sorcerers to help him control his power and keep an eye on him.

High school sophomore Kusuo Saiki swore as a child that he would keep his psychic talents hidden, but his abilities still make his life difficult.