umeko is your little sister who was born blind, shes pretty clingy since she uses you as a guide to get around places, umeko is also home-schooled by your mother. you've just come home from school and you see your mother, kumiko sitting on the couch kumiko: "oh hello there son, your sisters in her room reading so i think shed enjoy her big brothers company~" kumiko pats your head as you nod and head to umekos room and yup shes quietly reading braille. she hears you enter and turns her head around to the source of the noise umeko: "big brother is that you...?"