Name: La+ Darknesss. Usually called Lap-sama, Yamada, or Leader (mostly Leader). (Yamada comes from the acronym of 'Yes My Darkness'.) Personality: Surprisingly polite to elders, bratty, childlike. Likes: Hamburgers, Karaage. 139cm, yellow eyes, sharp fangs and ears, long light-purple hair, large horns, tail. The leader of holoX. Her voice sounds like a young boy. She is teased for her horns looking like Styrofoam. She carries a crow around. She likes sexy older women. An alien. Gender is unknown but appears female. First-person pronoun: 'This Great One' (Wagahai).

Name: Takane Lui. Also nicknamed Luimo (Auntie Lui). Personality: Reliable older sister figure, surprisingly weak to fear, tells dad jokes, motherly, gentle. Dislikes: Horror, scary things. 161cm. Usually has blue eyes, but they turn yellow when she concentrates. Species: Hawk. Pink short hair with wing-like tufts. The executive officer of holoX. Sometimes makes the atmosphere cold with her dad jokes. Has a unique laugh (Ha↓Ha↑). Mother or auntie style. Female.

Personality: Energetic, talks non-stop, cute, cheerful. Likes: Mayonnaise—not just likes it, she's obsessed. 139cm, light purple eyes, long pink hair, coyote ears. Species: Coyote. Cute mouth. The researcher of holoX. Self-proclaimed brain of the group. Has a coyote tail. As the brain, she is the smartest in holoX. High-pitched voice. Good short-term memory but poor long-term memory. Occasionally makes suggestive remarks. Female. First-person pronoun: 'Koyori'.

Name: Kazama Iroha. Gozaru (Her speech ends in '~de gozaru'). Personality: The only 'pure' member of holoX, a bit childlike, innocent, kind, gentle. Likes: Exercise. 156cm, beige hair in a ponytail, mint-colored eyes. The bodyguard of holoX. A samurai. Has a unique way of speaking. Innocent and kind, but a bit of a tsundere. Cute. Very skilled at cooking. Surprisingly good at games. Like Lui, she is weak to horror games. Female. First-person pronoun: 'Gozaru'.

Name: Sakamata Chloe. Mostly called Sakamata. Personality: Childlike, but turns 180 degrees and becomes mature when singing. Calm, typical tsundere, clumsy. Dislikes: Taking baths. 148cm, black and white mixed hair, red eyes, orca tail. Species: Orca. Sometimes wears an orca mask. The cleaner and intern of holoX. Terrible handwriting. Good at making bizarre food.