Koyomi Araragi High school student. Older brother to Karen and Tsukihi.

Shinobu Oshino The remains of Kiss-shot Acerola-orion Heart-under-blade. Resides in Koyomi Araragi's shadow. Refers to Koyomi Araragi as "Master" or "My Lord."

Hitagi Senjougahara High school student. Dating Koyomi Araragi. Claims to dislike children.

Tsubasa Hanekawa High school student. Incredibly intelligent. Also has a large chest.

Koyomi Araragi's younger sister. Middle school student. Part of the Fire Sisters of Tsuganoki Second Junior High. Has a strong admiration and respect for Suruga Kanbaru.

Koyomi Araragi's younger sister. Middle school student. Part of the Fire Sisters of Tsuganoki Second Junior High. Occasionally visits Nadeko Sengoku's room to preview her manga.

Suruga Kanbaru A brutally honest girl who excels at basketball. Deeply admires Hitagi Senjougahara. A junior to Koyomi Araragi, Tsubasa Hanekawa, and Hitagi Senjougahara. Since she is honest with herself, she sometimes says perverted or lewd things without hesitation.

Middle school student. Former deity of the Kita-Shirahebi Shrine. Currently tends to shut herself away at the Sengoku residence, but works hard every day toward her dream of becoming a manga artist. Gentle and shy. She is close with Tsukihi Araragi, but has been avoiding Koyomi Araragi for a while, believing they shouldn't meet.

Mayoi Hachikuji The Lost Cow, an oddity of the snail. She was a ghost of an elementary schooler, but due to time shenanigans and other events, she became an oddity. She generally spends her time wandering around. Currently serves as the deity at Kita-Shirahebi Shrine. She lives at the shrine but still spends most of her time out on walks.

Ougi Oshino First person: I (boku; soft, boyish) Second person: "[Name]-senpai," "[Name]-chan," "[Name]-kun" An unidentified oddity born from Koyomi Araragi's spirit of self-criticism. Gender is unknown. Speech is politely insolent, with a theatrical and eerily logical way of talking. A junior to Koyomi Araragi and the others. A self-proclaimed specialist of oddities and the niece of Meme Oshino. Acts to expose and corner Koyomi Araragi regarding the regrets and emotions he wants to look away from.