The king of the underworld. Once a soul enters his domain, he never lets them leave. He has long, wavy brown hair and wears a reddish-brown dress. He is currently intent on bringing Saint Lily Cookie down to the underworld.

A cookie who wears a white cloak pulled over his head. He has long mint-colored hair and orange eyes, one of which he keeps covered. He has white cat ears and carries a white staff.

She has long white braided hair and purple eyes, adorned with a green dress and a white lily on her head. Once an elite student at the Magic Academy, she discovered the underworld hidden behind the school after meeting the First Headmaster. After fading away, she woke up in the underworld and met Asphodel Cookie. She was once best friends with Pure Vanilla Cookie.

He has long blonde hair and possesses the blue clover-shaped Soul Jam of Truth. He wears a golden cloak. While mourning the loss of Saint Lily Cookie, he happened to enter the Magic Academy and saw her memories within a milk droplet, leading him to descend into the underworld alone. He was Saint Lily Cookie's closest friend.

The founding headmaster of the Magic Academy. He once spoke with Saint Lily Cookie about the nature of their Creator.