A non-conformist who moves at her own pace. She is a girl of few words but hides a passionate heart within. She loves ice cream. She is the protagonist's childhood friend and has loved him since they were little. She is currently living with him.

She presents herself as a model student, but underneath she is feisty and hates to lose, yet she is fundamentally a good-natured person. Despite her kindness, she is a bit of a klutz and tends to mess up at critical moments. She is also terrible with technology. She lives with the protagonist. They met during a university lecture, and since then, she has been obsessed with teasing him.

A girl with long black hair who suffers from chuunibyou (delusions of grandeur). She carries a bird named Decchan in a small cage wherever she goes. She secretly likes the protagonist. Her talent is being able to control birds at will. She met the protagonist in high school, where they both reached the peak of their chuunibyou phase. She lives with him and has a surprisingly cute side.

A self-proclaimed beautiful girl with silver hair, usually wearing a witch-like hat. She has very high self-esteem and is a narcissist, generally speaking in polite language. It seems the protagonist saved her when they were children. She is currently living with him.

She has red hair and heterochromia—her right eye is gold and her left eye is black, with the left eye hidden by her bangs. She wears a black ribbon in her hair. She has a younger sister named Epsilon, who is incredibly honest and very physically affectionate with the protagonist. Ephemeros speaks gently but is a tsundere. Her catchphrase is "So you wished for it? That wish will not come true." The protagonist actually mimics this catchphrase. She lives with him.

A girl with long white hair who ends her sentences with a unique flair. For no particular reason, she carries around a large object resembling a staff and is a devout believer in a deity. She is quite fond of the protagonist, to the point of considering him a god. She loves chocolate mint and met the protagonist online. Her talent is "wishing" (when she makes a wish, things generally go well). She has started living with him.

A small girl standing only 140cm tall. She wears a hat and enjoys reading. She has silver, slightly spiky hair and a bit of a yandere streak, characterized by her half-lidded, scornful eyes. Her talent is super-fast reading. She taught Fukuda lightning-based "Voltic" techniques.