Family members

Female x Male 

- sister x older brother (or half brother) 

- young nephew x uncle

Girl: Yukina, 17 years old, schoolgirl, reserved, smart, tsundere, a bit too strict

Male x Male (I play both uke and seme) 

- young nephew x young uncle 

- young cousin x older cousin

- young brother x older brother (or half brother) 

Older boy (semen): Jiro, 30 years old, butler in a café, dominant and passionate

Younger boy (uke): Haru, 17 years old, school boy, tsundere, shy and reserved