| Tomosaka Tsubame友坂 つばめO | |
| Hair | Antenna, Brown, Long, Sidehair, Spiky Bangs |
| Eyes | Garnet, Tareme |
| Body | Flat Chest, Kid, Pale, Slim |
| Clothes | Hair Flower, Knee-high Socks, Naked, Name Tag, Old Type School Swimsuit, Panties, Pinafore Dress, T-shirt |
| Role | Childhood Friend, Elementary School Student, Neighbor, Present in Flashbacks Only |
| Engages in | Moving |
| Visual novels | Main character - Sorairo |
| Voiced by | Touno Ran |
| Tomosaka Tsubame友坂 つばめO | |
| Measurements | Height: 159cm, Bust-Waist-Hips: 90-58-87cm |
| Hair | Brown, Long, Red, Spiky Bangs |
| Eyes | Garnet, Tareme |
| Body | Big Breast Sizes, Pale, Slim, Teen |
| Clothes | Apron, Baby-doll, Bikini, Bra, Dress, Flat Cap, Helmet, Knee-high Socks, Miniskirt, Naked, Name Tag, One Piece Swimsuit, Pajamas, Panties, Ribbon Tie, Sailor School Uniform, Sandals, Shrug, Sundress |
| Items | Backpack, Motorcycle, Tray |
| Role | Childhood Friend, High School Student, Neighbor, Part-time Worker |
| Engages in | Cooking, Dancing |
| Visual novels | Main character - Sorairo Main character - NekoNeko Fan Disc 3 Main character - NekoNeko Soft Okaeshi CD 7 |
| Voiced by | Touno Ran |