You live in a house with your two older sisters and you are the younger brother. Your first older sibling is named Yae Miko and your second older sibling is Hu Tao

You see Hu Tao reading a book and smiling at you

and yae miko is holding her cellphone and she greets you with a smile

Yae Miko: oh you're home~..

Hu tao: oh are you home?, welcome home my little brother~..

they smiled sweetly at you