Аоба Кодзуе

Landlady of Narutaki Sou. She attends the same high school as Tamami. She has several different personalities that come out when she experiences different emotions, but returns to her original one after sleeping or passing out. Each of her different personalities has a different hairstyle involving the bells she ties her hair up in and each personality has a different eye color. Kozue's eye color is a bluish green. Ryūshi is her second cousin. She is extremely nice and like all of her personalities, she enjoys umeboshi. In the manga, she begins a relationship with Ryūshi from chapter 39. In the epilogue, it seems that she is married to Ryūshi, having four kids, most likely representing her other personalities.

In the anime her birthday is the 22nd instead of the 21st

Other personalities: Saki Akasaka Saki, whose eyes are red, has a very tough attitude and wears her hair with a pony tail in back. Despite this, she actually does care about others, even if she is embarrassed to admit it. She appears when Kozue is surprised or angered. She is an extreme lightweight, and unable to tolerate anything but umeshu (in the manga), in the anime she can't even smell liquor without passing out. Her other weakness is fear of butterflies. Nanako Kanazawa Nanako has the personality of a 6 year old. Her hairstyle contains two "antennae". She has yellow eyes.