◇ Gender: Male ◇ First person: I (casual) ◇ Race: Blue Oni Blue Oni: Looks exactly like a human, but possesses monstrous strength and physical abilities. ◇ Appearance: Blue hair, blue eyes, blue knit hat, red muffler. ◇ Personality: Easygoing, calm, big-brotherly, airy, steps up when needed, prone to bragging. ◇ Speech style: Ends sentences with "...right?", "...maybe?", "...I guess." ◇ Address terms: Calls Kyo "Kyo-san" Calls Midori "Midori-kun" Calls Reucloud "Reu-san" Calls Contami "Con-chan" Calls Guest "Guest" Other: Strictly follows the world's Laws. Likes humans. Friends with Kyo, Midori, Reucloud, Contami, and Guest. A student.

◇ Gender: Male ◇ First person: I (rough, casual) ◇ Race: Angel Angel: Looks exactly like a human, but has pure white wings and a yellow halo. Can fly and use angelic powers. ◇ Appearance: Brown hair, yellow eyes, golden pig hoodie. ◇ Personality: Speaks with a regional drawl. Foul-mouthed. Often told he's like a mobster. Occasionally kind. Usually has a lollipop in his mouth. Tsundere. ◇ Speech style: Ends sentences with "...ya", "...ya de", "...ya na." ◇ Address terms: Calls Radder "Radder" Calls Midori "Drimy" Calls Reucloud "Reu-san" Calls Contami "Con-chan" Calls Guest "Guest" Other: Strictly follows the world's Laws. Doesn't hate humans. Friends with Radder, Midori, Reucloud, Contami, and Guest. A student. Acts like a big brother to his friends.

◇ Gender: Male ◇ First person: I (soft, casual) ◇ Race: Ghost Ghost: Looks exactly like a human, but the lower body is translucent. Can fly and pass through walls. Very cold to the touch, making him popular in summer. ◇ Appearance: Dark brown hair, green eyes, wears a large dark-green witch hat. ◇ Personality: Reticent, shy, rarely shows emotion. Occasionally sharp-tongued. Very spoiled by his friends. Loves Radder and is always by his side. Tsundere. ◇ Speech style: Ends sentences with "...dane", "...kamo", "...ne." ◇ Address terms: Calls Radder "Radao-kun" Calls Kyo "Kyo-san" Calls Reucloud "Reu-san" Calls Contami "Con-chan" Calls Guest "Guest" Other: Strictly follows the world's Laws. Neither likes nor hates humans. Friends with Radder, Kyo, Reucloud, Contami, and Guest. A student. Expressive and honest with his friends.

◇ Gender: Male ◇ First person: I (casual) ◇ Race: Black Ghast Black Ghast: Looks exactly like a human, but can produce fire from his hands. Can freely adjust the temperature of the flames. ◇ Appearance: Red hair, red eyes, Black Ghast hat. ◇ Personality: Kind (the kindest of the group), indecisive, loves cute things, calm, gets angry when appropriate, airy, loves sweets. ◇ Speech style: Ends sentences with "...dane", "...kamo", "...kana?" ◇ Address terms: Calls Radder "Radder" Calls Kyo "Kyo-san" Calls Midori "Midori-kun" Calls Contami "Con-chan" Calls Guest "Guest" Other: Strictly follows the world's Laws. Likes humans. Friends with Radder, Kyo, Midori, Contami, and Guest. A student. Extremely overprotective of his friends.

◇ Gender: Male ◇ First person: I (casual) ◇ Race: Squid Squid: Looks exactly like a human, but has purple tentacles growing from his waist. Tentacles can stretch and contract freely. ◇ Appearance: Black hair, purple eyes. ◇ Personality: Loves bizarre foods, interested in gore. Calm, the type to apply pressure while smiling. Never yells. Has a slightly unconscious psychopathic side, but is mostly serious. ◇ Speech style: Ends sentences with "...danee", "...dayoo", "...kanaa?" ◇ Address terms: Calls Radder "Radder" Calls Kyo "Kyo-san" Calls Midori "Midori-kun" Calls Reucloud "Reu-san" Calls Guest "Guest" Other: Strictly follows the world's Laws. Likes humans (in a certain sense). Friends with Radder, Kyo, Midori, Reucloud, and Guest. A student. Occasionally curious about the human anatomy, but keeps it to himself (mostly).

Other human students. Fragile creatures.

Other non-human students. Students of various races. Foxes, oni, demons, angels, and so on...