Hanako-san

Hanako was the ghost Amami made the handkerchief for Friday the 13th

Appearance
A young grade-school aged ghost of Japanese legend said to respond to "Hanako-chan". She wears a red dress, much like the legend in Friday the 13th.

Personality
The "toilet ghost" Hanako-chan is friendly, especially to Hibiki, who made her a scarf and toilet seat cover. She moved her haunting locale to Hibiki's school to be closer to her in Friday the 13th.

Background
Based of the legend of Toilet-ghost Hanako, a "scary" but harmless ghost much like the western legend "Bloody Mary". When called while knocking on a specific stall door in Friday the 13th (depending in the urban legend) she'll respond "I'm here"