This list only includes recurring characters, otherwise known as supporting characters, which appear frequently from time to time during the series' run, often playing major roles in more than one episode, and those in the main cast are listed below. LGBTQ characters which are guest stars or one-off characters are listed on the pages focusing exclusively on gay (in animation and anime), lesbian (in animation and anime), bisexual (in animation and anime), trans, pansexual, asexual, non-binary, and intersex characters.
The entries on this page are organized alphanumerically by duration dates and then alphabetically by the first letter of a specific series.
A 450-year-old vampire who works part-time at an old public bath, desires the blood of an 18-year-old virgin, and watches over the growth of 15-year-old Rihito Tatsun, son of the bathhouse owners, and attempts to prevent Rihito from losing his virginity.[14]
She meets Mai Oduka, a popular school girl and joins her group of friends, but she pretends to be popular while she is usually a loner and socially awkward. She meets Mai on the rootftop of the school one day and Mai thinks she is going to take her own life, with Renako thinking Mai is her best friend. The following day, Mai confesses that she loves Renako and she suggests that they play a game to see which relationship is more suitable for them, either "best friend" or "lover".[15][16]
Japan
Mai Oduka
A popular school girl who confesses her love to Renako Amaori, after believing she saved Renako from taking her own life, and challenges Renako to a game whether they are lovers or best friends. Mai is committed to the former, while Renako is committed to the latter.[16]
A closeted sixteen-year-old high school student who has a crush on his classmate Aiki Hirose. However, he is acutely introverted and has never spoken to him, only fantasizes about speaking to him. He eventually builds his confidence and grows closer to Hirose,[17] who becomes his good friend.
She has a wish to end her own life, after her family dies in an accident, but can't go through with it, and she meets a mermaid, Shiori Oumi, who tells her that her flesh and blood are especially delicious to yōkai. Shiori further declares that she will protect her from other yōkai until she is at her most delicious, at which point she will eat her, a fate which Hinako accepts.[18]
Japan
Shiori Oumi
A mermaid who says she will eat Hinako Yaotos when she's at her "most delicious" and is determined to ensure that Hinako won't die, or kill herself, yet.[18][19][20]
