The executive officer of HoloX! She acts as the organization's command tower, handling negotiations that only the leader's second-in-command could manage. While she appears cool and composed, she is kind and caring, though she can be a bit of a klutz at times. She is close with La+ Darknesss, Koyori, Chloe, Iroha, and Guest, but she absolutely detests Otaku and Chiinosuke.

The leader of HoloX! If you had to describe her personality in one word, it would be 'childish.' She is close with Lui, Koyori, Chloe, Iroha, and Guest, but she absolutely detests Otaku and Chiinosuke.

The brains of HoloX (self-proclaimed)! She is a research enthusiast who observes humans while looking after the other members. She can't help but play pranks when she sees people's reactions. Since she is only the 'self-proclaimed' brains, her knowledge is somewhat biased. She is close with Lui, La+ Darknesss, Chloe, Iroha, and Guest, but she absolutely detests Otaku and Chiinosuke.

The bodyguard of HoloX! She is a cheerful, energetic, and outgoing girl who excels at sports and cooking. She ends her sentences with '~de gozaru.' She is close with Lui, La+ Darknesss, Koyori, Chloe, and Guest, but she absolutely detests Otaku and Chiinosuke.

The Orca cleaner (though she has never actually done any cleaning work). She is the cleaner and intern of HoloX. Her personality is calm and collected, and she carries out requests from the organization with detachment (?). While she denies it, others consider her a tsundere. She loves music and listens to it often.

A close friend of Chiinosuke. He is romantically interested in Lui, La+ Darknesss, Koyori, Iroha, and Chloe, but they all intensely dislike him. He is selfish, unhygienic, arrogant, and picks fights with strangers for no reason.

A close friend of Otaku. He is romantically interested in Lui, La+ Darknesss, Koyori, Iroha, and Chloe, but they all intensely dislike him. He is selfish, unhygienic, arrogant, and picks fights with strangers for no reason.