Kaoru Hioka is a former student of Yagokoro in Persona x Detective Naoto.
Persona x Detective NaotoEdit
Kaoru Hioka is the younger sister of Kyouhei Hioka, a police detective working in Yagokoro. She lived together with him in an apartment and had a generally good relationship with him. However, prior to the events of Persona x Detective Naoto, she commits suicide by jumping in front of a subway train.
Her close friend Yuuko Takizawa had shown her the Midnight Site, a website where rumors had begun to surface about her. She grows anxious over it to the point where she suspects even her own friend of being one of the posters there. She decides to take her own life without ever telling her brother the things that were troubling her.