The Vermilion Sparrow (朱雀 Suzaku?), officially known as Vermilion Sparrow Restaurant (洋食屋朱雀 Yōshoku-ya Suzaku?), is a restaurant owned by Akabayashi Rubi's family. Its owners are Ayane, the daughter of the original owners, who takes care for the commerical and business stuff, and Daisuke. The Feather Bell is quite popular around the Hisakata suburb. The Vermillion Sparrow makes appearances in every of the four seasons of the Guardian Angels Of The Sky series.
- Akabayashi Ayane: Daughter of the original owners. Ayane mostly works as waitress and takes care for the business stuff behind the scenes.
- Akabayashi Daisuke: Husband of Ayane, chef of the restaurant. Cooks a lot, sometimes helps Ayane with the papers. Rarely seen outside the kitchen when the restaurant is opened.
- Akabayashi Rubi: Elder twin of the Akahane Twins. Helps out at the restaurant, usually does the shifts together with her sister. Used to skip her shifts. Tries to help out in the kitchen as well.
- Akabayashi Robin: Younger twin of the Akahane Twins. Reliable girl who helps out at the restaurant and enjoys the work there even though she acts like she doesn't. Usually works as waitress, and stays out of the kitchen.