My God In Academia

The Father Here Is The Mc He Isnt Simp He is more of proactive,pragmatic, calculative mc he is not total cold he just hate his family because of there betrayal his elder son is child of his little brother who sleep with his wife he hated his brother and wife when he found out that the child is not his he killed them both but take the child as his own son Lancelot is the child of second wife but not his too the father is the head butler which he torture day and night along with his wife but he still treat him as his own son Lancelot doesn't know he's not his real child Their only 3 harem which is mystery my hero academia is not mine this is my first fanfic please be kind give constructive criticisms