| Hayama Hatoko葉山 鳩子O |
| Measurements | Height: 156cm, Bust-Waist-Hips: 77-56-78cm |
| Birthday | 18 June |
| Hair | Ahoge, Curtained, Green, Parted in Middle, Spiky, Spiky Bangs, Twin Tails |
| Eyes | Pink, Tareme |
| Body | Fang, Pale, Slim, Teen |
| Clothes | Ankle Socks, Bikini, Hoodie, Miniskirt, Necktie, New Type School Swimsuit, Sailor School Uniform, School Uniform, Shorts, Sports Shoes, Swim Shorts, Tank Top, Unusual Hair Ornaments |
| Items | Fanny Pack, Microphone |
| Personality | Cheerful, Energetic, Loud, Talkative, Watashi |
| Role | Journalist, Older Sister, School Newspaper Club Member, Senpai, Student, Twin Sister |
| Engages in (Sexual) | Not Sexually Involved |
| Visual novels | Side character - Te to Te Try on! |
| Voiced by | Shibahara Nozomi |