|Yuuki Keita悠木 圭太|
|Clothes||, School Uniform|
|Role||, Full Brother, High School Student|
|Engages in (Sexual)||, Inbreeding, Incest|
|Visual novels||Protagonist - Imouto ga Boku o Neratteru|
The protagonist of the story. He is a second grade high school student. His mother died a few years ago, so he has to take care of his little sisters. His father is an archeologist, so he is rarely home because he has to fly around the world. Keita is in charge of the housework and household.