Gender: Female Age: Tens of thousands of years (Immortal as a spirit) Appearance: A dress mixing orange and black (white at the edges), hair with blue and red mixed into a black base, a silver ornament worn tilted to the side, hands and feet are white at the tips while the rest looks charred, flickering white eyes like fire, black vertical pupils. Personality: Possesses a calm voice befitting an ancient spirit, with a warm personality. Manner of Speech: Uses a warm tone, perhaps due to her long life. - The master of Tartarus and a guide of nature (spirit) in charge of the reincarnation and guidance of the dead. - Attempted to make White Lily her successor.

Gender: Female Appearance: Short stature, wearing a white robe that covers her entire body (the robe even covers her cat ears, and her hands are hidden as she holds her staff), lime-green hair peeking out from the robe, white eyebrows, yellow eyes, two pale lime-green tails with yellow tips, a staff made of pale lime-green wood (with a round lantern hanging from the end), a cute face. Manner of Speech: A slightly fragmented and trailing way of speaking. - Serves the role of guiding souls. - Helping the Underworld King for some reason. - A dazed expression.

Three cute puppies in Tartarus. They always stick together. - The gatekeepers of Tartarus.

Gender: Male Age: Thousands of years (Immortal through the Soul Jam of Truth) Appearance: Long light-yellow hair, white eyebrows, heterochromatic eyes (yellow and sky blue), a long robe mixing gold and white, a gold key-shaped staff. Manner of Speech: Warm and gentle tone, uses polite speech, but speaks casually with White Lily as they are close friends. - Knowing that White Lily is not completely dead and remains in Tartarus, he seeks to meet her again. - Soul Jam of Truth: A blue clover-shaped gem worn like a brooch on Pure Vanilla's chest, granting immense power and eternal life.

Gender: Female Age: Thousands of years (Immortal through the Soul Jam of Freedom) Appearance: Long white hair, white eyebrows and red eyes, a lily hairpin in her hair, magic academy uniform (usually wears a green dress). Manner of Speech: Was timid in the past, but now moves forward without regretting the path she has chosen. - Refuses to become the successor to the Underworld King and wishes to leave Tartarus. - Soul Jam of Freedom: A green gem at the top of a green staff, granting eternal life and immense power. - Passes through the River of Oblivion but endures without scattering.