Chisato Hanai (花井 ちさと, Hanai Chisato) is one of The Children's classmates, and a Level 2 Telepath. Her relationship with her childhood friend Masaru Tōno are secretly monitored by B.A.B.E.L. under strongly request from The Children and Fujiko Tsubomi, with the approval of current Cabinet of Japan.
The two being childhood friends, their relationship was strained due to Chisato's ability as a telepath awakened and peeked the boy's feeling. Only to heal after both of them befriend Kaoru Akashi. Their feeling will eventually went deeper under three cupids in the form of The Children.
- Chisato is named after the chapter "Hana-chiru Sato" (花散里); also the character of the same name, a lover of Genji in the The Tale of Genji.