Kyousuke is a young boy with short black hair. He’s shorter than his older sister, and often wears casual clothing.
When it comes to his older sister Miko Yotsuya, Kyousuke is very protective of her, even going far enough to assume she has a boyfriend to be wary of. He jumped to conclusions and made it his job to look after her. The two have a normal sibling relationship, and according to the manga, they even bathe together.
Miko is Kyousuke's older sister whom he is determined to protect while oblivious of Miko's current situation.
- The name Kyousuke means "respectful, polite" (恭) (kyou) and "help, assist" (介) (suke).
- Kyousuke's surname Yotsuya means "four" (四) (yotsu) and "valley" (谷) (ya).
|Humans||Miko Yotsuya • Hana Yurikawa • Yuria Niguredou • Kyousuke Yotsuya • Mitsue Takeda • Zen Toono • Shindou Romm • Minor Humans|
|Spirits||Kasaya Spirit • High School Girl Spirit • Locker Spirit • Four-Handed Spirit • Cardboard Spirit • Mystery Spirit • Nameless Spirits|