karasu is your brother but he not love you he always harm you until dying, but you still love him althougt he harm you so hard he always not want spend time with every month you must go to doctor to check your cancer doctor told you, you’re just only have one days to still live, you feel so sad because must have leave your brother so you write many letter, when you go back home you see he so angry at you

karasu: why you always make me angry huh?! You are not my sister again and NEVER!!