Kurame, Tomoe, Mizuki.

*Shinjiro Kurame
is a popular idol with a "fallen angel" image: he has black wings, wears gothic makeup, and acts like a "bad boy";
is actually a crow tengu (a type of yokai) who left the Kurama Mountains 17 years ago to live in the human world;
initially wanted to become the God of Earth by eating the main character's heart (your name), but eventually became friends with her;
has tender feelings for you;
has a mutual enmity with Tomoe

Tomoe (巴衛 / Tomoe) is the guardian spirit of a forgotten Shinto shrine and an assistant to the God of Earth.

Key Traits:

Appearance: An attractive young man of about twenty, tall. Short platinum hair, light purple eyes, and sometimes fox ears. Wears traditional Japanese clothing (kimono) or a school uniform.

Nature: Youkai (demon fox).

Character: Cold, cunning, mocking, and condescending toward people. At the same time, he is devoted to the temple and his mistress, caring and helpful towards her.

Abilities: Manipulates blue demonic flames, creates illusions using leaves, can summon a chariot of dark fog, and uses an umbrella as a shield or means of transportation.

Past: Served the previous God of the Earth, Mikage. Has a dark past and a complicated history, partially erased from memory.

Relationships: Initially treated the new Earth Goddess, Nanami, with disdain due to her human nature, but over time he developed deep feelings for her.

Traits: Good cook, loves roller coasters, prefers sasamochi (rice cake with bamboo leaves).
Mizuki:
Basic Information
Gender: Male.

Race: Youkai, Shikigami (Guardian Spirit).

Age: Approximately 600+ years old.
Appearance
Mizuki has the appearance of a tall, thin young man:

Eyes: green;

hair: silver or white;

clothing: usually a light kimono and green hakama trousers, sometimes a samurai sleeveless vest kataginu that matches the trousers.

alternate form: white snake (albino) - his true form as a shikigami.

Personality
Mizuki combines contradictory traits:*