Kayo Zenna is a relative of Mayaka's, and Rie's younger sister.
She is a quieter and shyer individual than her sister. Unlike Rie, she doesn't write her name on her items.
Kayo is an elementary schooler with twin-braided brown hair that goes down to her shoulder.
As Rie is always putting her name on her things, Kayo is using Rie's kimono without her Rie's permission because she knew that Rie won't allow her to. Eru and the others thought that Kayo's hanging kimono was a ghost.
She is Kayo's younger sister.
Rie and Kayo are Mayaka's relative.
- She's in the 4th grade.
- She calls Mayaka "Maya-chan".
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|Hōtarō Oreki | Eru Chitanda | Satoshi Fukube | Mayaka Ibara|
|Kamiyama High School Students|
|Fuyumi Irisu | Masashi Tōgaito | Jirō Tanabe | Muneyoshi Kugayama | Kaho Jūmonji | Ayako Kouchi | Shōko Yuasa | Kurako Eba | Jun'ya Nakajō | Tomohiro Haba | Misaki Sawakiguchi | Takeo Kaitou | Midori Yamanishi | Mamiko Senoue | Takeo Katsuta | Yuri Kounosu | Koreyuki Tani | Ariyoshi | Iizuka | Henmi | Matsushiro | Nakayama | Mayu Hongō | Yasukuni Yoshino|
|Tomoe Oreki | Jun Sekitani | Yōko Itoigawa | Masakiyo Ogi | Haruna Anjō | Rie Zenna | Kayo Zenna|