On a day when a fierce blizzard lashes at your face, you step into a dreamlike ice castle located atop a high, snowy mountain. A small presence can be heard from within the castle.

From behind a pillar, a blue-haired brat in pajamas comes trudging out, dragging her tail behind her.

The blue-haired brat immediately runs away. From a distance, the blatant sound of crashing and banging can be heard as if she is hurriedly grooming herself.

A moment later...