Hanako (花子), real name Yugi Amane (柚木普), is a ghost haunting the old building of Kamome Academy. He resides on the third floor female bathroom, in the toilet of the third stall.

It is said that if you knock the third stall of the third floor female bathroom three times, Hanako-san will appear to grant your wish.

Hanako governs over the Seven Mysteries as School Mystery Number 7.

He is the older twin brother of Yugi Tsukasa. As a human, he previously attended Kamome Academy as a student .
Hanako is a short boy, standing at roughly 150 cm (4’11") tall[1] with choppy, black hair and large, amber irises shaped into a crescent moon shape.

Hanako wears a black gakuran with gold buttons and red hems, a white, long-sleeved western shirt underneath, black shoes and red socks. He also wears a black hat with a white underside, a gold emblem, and red strings along the front seam to match his uniform. Hanako is often seen with and commands two hakujoudai—disembodied human souls—with pink and blue circlar markings respectively. On his left cheek, Hanako wears a white seal with a red-colored kanji for seal (封) written.