Nishizono Aika
西園 愛歌
| Nishizono Aika西園 愛歌 | |
| Hair | Blond, Shoulder-length, Twin Tails |
| Eyes | Blue |
| Body | Pale, Teen |
| Clothes | Court Shoes, Ribbon Hair Tie, School Uniform, Sport Bloomers, Thigh-high Stockings |
| Personality | Pretending, Refined, Smart |
| Role | Classmate, High School Student, Popular, Student Council Member, Younger Sister |
| Visual novels | Main character - Sister x Sister ~Lovevery Sisters~ |
| Voiced by | Naruse Mia |