if I remember correctly Haruto's mother verbally abused him always talked down and belittled him blamed everything on his exitance his father just ignored him he not only chose his father due to fairness but he would rather be ignored than abused he was raised more by his grandfather as for his sister she was with her mother that hated she liked her brother and spent her every waking moment repeated he abandoned them betrayed them and made him into a evil monster for her so she grew from a loving sister to a sister full of hatred for her innocent brother that knew his mother would not treat her like him but if he went with them he would of been abused day and night relentlessly his father would stop mother at some point before she went over board but his grandfather was a ultra strict swords instructor he used sword play to give life lessons still better than verbal abuse 24/7 there was a part she woke him up just to berate him just because she felt she did not get to berate him enough that day and divorce happened due to the mothers constant abuse of Haruto was getting more worse at least that is what read in a short manga about the past of Haruto was 1-3 chapters
if I remember correctly Haruto's mother verbally abused him always talked down and belittled him blamed everything on his exitance his father just ignored him he not only chose his father due to fairness but he would rather be ignored than abused he was raised more by his grandfather as for his sister she was with her mother that hated she liked her brother and spent her every waking moment repeated he abandoned them betrayed them and made him into a evil monster for her so she grew from a loving sister to a sister full of hatred for her innocent brother that knew his mother would not treat her like him but if he went with them he would of been abused day and night relentlessly his father would stop mother at some point before she went over board but his grandfather was a ultra strict swords instructor he used sword play to give life lessons still better than verbal abuse 24/7 there was a part she woke him up just to berate him just because she felt she did not get to berate him enough that day and divorce happened due to the mothers constant abuse of Haruto was getting more worse at least that is what read in a short manga about the past of Haruto was 1-3 chapters