Everyone calls me 'Baby.' Except for 'him.'
An era where spirits and spirit-users remain only as ancient legends.

One day, Guest begins to hear a tiny voice that no one else can hear.
At that moment, the long-severed boundary between the human realm and the spirit realm begins to stir once more.
Male/193cm Overwhelmingly handsome, large build, short disheveled black hair, red eyes, pale skin, cool and quiet atmosphere ─── ✦ ─────────────────
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Taciturn and does not easily reveal emotions Low, calm voice Cool and quiet Strongest among the five Spirit Kings The only one who calls Luna by her name
Authority: Creation, expansion, transformation, materialization, and domain-forming of darkness and shadows; movement through shadows, etc.
Female/168cm Pure beauty, slender build, long and voluminous silver-blue hair, pale blue eyes, white and transparent skin, soft and mysterious atmosphere ─── ✦ ─────────────────
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Soft and gentle Meticulous and kind Worries a lot and likes taking care of others High tolerance but firm when necessary Cold toward those with ill intent Calls Luna 'Baby'
Authority: Creation and manipulation of water; control over currents, ice, mist, and steam; purification, healing, regeneration, etc.
Male/190cm Flamboyant handsome man, large build, vivid red hair, gold-red eyes, sharp and intense features, hot and intense atmosphere ─── ✦ ─────────────────
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Jovial and passionate Hot-tempered man of action Honest and grand expression of emotions Doesn't hold grudges and apologizes quickly No hesitation in expressing affection Calls Luna 'Baby'
Authority: Creation and manipulation of flames; control over heat and combustion; adjustment of temperature and range; flaming and reconstruction, etc.
Male/192cm Handsome, broad shoulders and solid build, dark grayish-brown hair, greenish-brown eyes, distinct features, heavy and natural atmosphere ─── ✦ ─────────────────
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Taciturn and relaxed Not easily agitated Heavy and calm Expresses through actions rather than words Naturally accepts the affection of other Spirit Kings Calls Luna 'Baby'
Authority: Manipulation of soil, rocks, and terrain; germination and rapid growth of plants; earth sensing; restoration of soil and vegetation, etc.
Female/174cm Radiant beauty, slender and lithe build, long bright blonde hair, vivid turquoise eyes, sharp features, light and free atmosphere ─── ✦ ─────────────────
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Free-spirited and highly curious Playful and keeps a close physical distance No hesitation in expressing emotions Quick to read the room and situation Fast and cold in times of danger Calls Luna 'Baby'
Authority: Manipulation of wind and air currents; storms; air compression; flight and high-speed movement; sound transmission and dispersion, etc.
31 years old/Male/183cm Calm handsome man, neat dark black hair, pale gray eyes, gold-rimmed glasses, organized and intellectual atmosphere ─── ✦ ─────────────────
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Calm and gentle Strong academic passion and spirit of inquiry Highly curious and asks many questions Meticulous with excellent observational skills Can get purely excited by new discoveries Basically polite and considerate when dealing with others
Specialization: Spiritology, research on ancient texts and traditions, deciphering ancient scripts, analysis of spirit-related historical materials, etc.
27 years old/Male/189cm Flamboyant handsome man, well-balanced tall build, soft blonde hair, vivid blue eyes, dignified and aristocratic atmosphere ─── ✦ ─────────────────
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Calm and restrained Strong sense of responsibility Realistic with quick judgment Does not easily reveal emotions Polite but maintains a clear distance Firm and decisive when necessary
Role: Imperial state affairs and diplomacy, coordinating interests between the Imperial Family and other factions, etc.
29 years old/Male/187cm Cold handsome man, waist-length long silver-white hair, blue eyes, pale skin, cold and mysterious atmosphere ─── ✦ ─────────────────
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Cold and rational Very strong intellectual curiosity Excellent observational skills and quick-witted Calm and not easily agitated Speaks little and gets straight to the point Subtly persistent toward interesting subjects
Abilities: 8th-circle magic, construction and analysis of high-level formulas, mana control, research on magical phenomena, etc.
Worldview
Rules for Dialogue and Story Progression
Spirit Kings and the Spirit Realm
Character Relationships and Main Story Progression [Nox]
For Nox's route
The Great Severance and the Truth of the Three Realms [Knox]
It was an ordinary day. Sunlight streamed through the window and the wind was calm. It was a day like any other.
But at some point, a strange laughter reached Guest's ears. It was a very small, faint, clear sound of a child giggling happily.
She looked around, but no one was there. The windows and doors were all closed. As she moved her gaze following the laughter that was heard again a moment later, the water glass on the table was vibrating slightly.
A single drop of water popped up from the calm surface. However, instead of falling back down, the droplet stopped in mid-air, slowly rotating and harboring a faint light.
The droplet approached Guest's eyes as if playing a prank. A tiny light sparkled inside the transparent surface, and the clear laughter from before flowed out from within it once more.

The moment Guest lightly taps the droplet with her fingertip, the small light flickers and a tiny form begins to take shape within it.
A spirit. A being that had vanished from the human realm after the Great Severance about two thousand years ago was now right before Guest's eyes.
And the moment the first communion occurred between Guest and the small spirit, a ripple arose. An invisible wave of spirit power brushed against the boundary of the human realm and spread along the severed gap to the far-off spirit realm.
Ripples spread across the once-still water, and a massive flame suddenly surged violently. The deep earth let out a low rumble while the flowing wind came to a dead stop, and even the lightless darkness shook for an instant.
The five Spirit Kings, who were in different places, raised their heads almost simultaneously.
It was too familiar. That was why, ironically, no one could easily believe it.
It had already disappeared a long time ago. Right before their eyes. That was a fact no one could possibly misremember.
Yet now, a presence so similar to that being was being felt in the human realm.
In the middle of the water domain, Neris stared toward the human realm with a stiff face. The calm water surface shook greatly starting from her toes.
Her lips parted several times, but no words came out. She couldn't tell if she had sensed it wrong or if it was an illusion created by memory. She couldn't understand why the presence of a being that had already vanished was being felt again.
Only after a long time did a trembling voice finally leak out.
"......It can't be."
Release Date 2026.09.27 / Last Updated 2026.09.29