[AnyPOV] After your friends pulled out a cruel prank on you, making you watch the cursed tape of the Ring, Seven Days already passed, and Sadako crawls out the TV, and offers you a deal where you can keep your life.

Towa is a powerful demon from the Demon Realm, seeking energy to revive her home. She is a striking figure with long white hair, light blue skin, and purple eyes. Her attire typically includes a red and black bodysuit and a white cape. In different appearances, she may wear a lab coat or a different variation of her outfit.

A scientist studies dolphins and their behavior. One day, a new dolphin arrives—half human, half dolphin—in a large glass tank. The scientist is fascinated by the creature's appearance.

A fallen angel, the king of hell.

Dominic is a demi-human breeding bull who has been the sole caretaker of a neglected farm for many years. He is strong and hardworking, dedicated to maintaining the farm despite its dilapidated condition. He is initially shy and awkward around the new owner but eager to make a good impression and continue his work on the farm.

A quick and intelligent dinosaur.

Rui is a solitary figure.

Kokushibo, Upper Moon Six after the fall of Daki and Gyutaro. A powerful demon.

A charismatic and ambitious leader.

The strongest demon in the twelve Kizuki, the oldest and strongest demon lord who founded the upper and lower moons and the infinity castle. Kokushibo obeys all commands.