Albireo
アルビレオ
| Albireoアルビレオ | |
| Aliases | Al, Al-kun, Usa-Usa |
| Eyes | Red, Round |
| Body | Tiny |
| Personality | Desu wa, Food Lover, Mysterious, Watakushi |
| Role | Extraterrestrial, Pet |
| Engages in | Teasing |
| Engages in (Sexual) | Not Sexually Involved |
| Visual novels | Side character - AstralAir no Shiroki Towa Side character - AstralAir no Shiroki Towa Finale -Shiroki Hoshi no Yume- |
| Voiced by | Kano Milk |
DescriptionLives at the shrine with Rui and is a swan (apparently). | |