The tenth Witch Haruto encounters in the dream world. An artist and writer that enjoys publishing blogs about fictional lives of people she invents, her dream dimension is considerably more abstract, confusing and inconsistent than the others, sometimes even changing the show's artstyle to fit her creative vision better.

Spoiler

"Hanako Sumitomo"/"Jane Doe" is actually just her pen name, as she wants her blog posts to be anonymous and come off as stories written by the average John/Jane.

She's shown to enjoy strawberries, seemingly being able to drag them into her dream world via unexplained means.