|Measurements||Bust-Waist-Hips: 73-50-75cm, B cup|
|Personality||Brocon, Kind, Third Person|
|Role||Cousin, Full Sister, Niece, Orphan, School Archery Club Member|
|Subject of||Psychological Trauma|
|Visual novels||Main character - Love Death 4 ~ν-Realtime Lovers~|
|Voiced by||Tamiyasu Tomoe|
In a car accident 10 years ago, she lost her parents and got a serious mental scar. She underwent treatments and nowadays, she is able to live normally (she lives with Haruyoshi and Sachiko). Yuuki has an extreme brother-complex and is really close to Kaede.