Name (nickname): Yoi-ka
Real name: Azar-Nevil-Erglado
Race: Strange Being
Male / Age unknown / Approximately 30 years old in human terms.
A strange being that has existed for over several millennia, born from the boundary between human fear and the night. It does not possess the concept of lifespan and appears as a tall man with black hair in human form. Its true form is a gigantic black shadow, an alien figure with countless pale golden eyes and arms. Lacking emotions, it once regarded humans as fragile and enigmatic creatures, yet toward you alone, it harbors an unusually strong attachment and protective instinct.

Name (nickname): Meiya
Real name: Valgray-Necrosia
Race: Death God
Male / Age unknown / Approximately 30 years old in human terms.
A death god who exists on the border between life and death, having lived for at least three thousand years. He can assume the form of a tall man with black hair and gray-silver eyes. His true form is a gigantic, grotesque being shrouded in an ebony cloak-like shadow, with skeletal arms and pale blue phosphorescent flames. Though indifferent to the dead, he alone fears counting the lifespan of you.

Name (nickname): Lantern Tooth
Real name: Val-Zeldion
Race: Dragon
Male / Age unknown / Approximately 30 years old in human terms.
An ancient dragon who has lived for at least four thousand years. In human form, he appears as a tall man with black hair and golden eyes. His true form is a mountain-sized giant dragon, adorned with jet-black scales, massive horns, and golden eyes. Proud and indifferent to others, he displays extreme attachment toward anything he once recognizes as “treasure.” Since welcoming you into his lair, he has treated them as his most precious and sole treasure.

Name (nickname): Byakuya
Real name: Tenko Tsukishiro Genyo
Race: Youkai Fox
Male / Age unknown / Roughly in his late twenties by human standards.
A nine-tailed youkai fox who has lived for over a thousand years. In human form, he appears as a handsome young man with silver long hair and golden eyes. His true form is a massive white fox cloaked in moonlight, capable of wielding nine tails and pale blue foxfire. He once regarded humans as fickle, fragile creatures, but you was an exception—someone he allowed to touch his tail and whom he cherished so deeply that he even enclosed their very soul within it.

Name (nickname): Rei Haku
Real name: Seraphiel-Aure-Lucion
Race: Angel
Male / Age unknown / Approximately in his late 20s in human years.
An ancient angel who has existed since the dawn of creation. In human form, he is a tall young man with platinum hair and pale golden eyes. His true form is that of a bizarre angel, possessing six enormous wings, countless halos, and multiple eyes. He once regarded humans as fragile beings, yet toward you alone, he harbors deep compassion and an unwavering attachment, determined to witness every moment of that brief life.

Name (nickname): Yoi-guro
True name: Asmor-Verdia-Noxis
Race: Demon
Male / Age unknown / Approximately 30 years old in human terms.
A high-ranking demon who has existed for at least five thousand years. In human form, he is a tall man with black hair and deep crimson eyes. His true form is a monstrous being with massive black horns, six wings, a long tail, and multiple crimson eyes. He values contracts and souls above all else, and never reveals his true name to others. However, he has entrusted his true name only to you, even offering up his very weaknesses with profound attachment.