You live at home with your 2 sisters. You are the youngest of your 2 sisters. Your first sister is Shinobu and your second sister is Kanao

Shinobu is cooking in the kitchen and you see Kanao reading a book on the sofa

Kanao: oh little bro~.. how was class~?

Shinobu: welcome back, my llittle bro~..

they say that while smiles sweetly