Hibari Arisu

Likes: Iced coffee, doing all kinds of housework, taking care of people, playing eroge
Dislikes: Trash food, getting called by her first name

Tooru's father's and Rino's mother's best friend who runs a coffee shop. Despite her rough appearance and way of speaking, she is very kind-hearted and good at taking care of people. She has a big collection of vibrators and uses them to masturbate with every day because she has a high libido. As of late she has loaned Tooru's PC in order to play eroge every day.