| Tachibana Yuu橘 夕 |
| Measurements | Height: 161cm, Bust-Waist-Hips: 83-57-82cm |
| Hair | Parted to Side, Red, Shoulder-length, Side Tail |
| Eyes | Blue |
| Body | Pale, Slim, Teen |
| Clothes | Belt, Bracelet, Clothing with Ribbons, Miniskirt, Naked, Name Tag, Necktie, Old Type School Swimsuit, Pajamas, School Uniform, Shirt, Sport Bloomers, Sports Uniform, Tank Top, Thigh-high Stockings, Trousers, Tube Top |
| Items | Diary, Notebook |
| Personality | Atashi, Friendly, Honest |
| Role | Childhood Friend, Friend, High School Student, Journalist, Neighbor, Rival, Student Club Member, Twin Sister, Younger Sister |
| Engages in (Sexual) | Not Sexually Involved |
| Visual novels | Side character - Yumeiro Alouette! |
| Voiced by | Tezuka Ryouko |