When he returned home from the war, he came back as a different person, he found out that his wife died but both sons remained intact...for the most part. The younger son was an excellent student and went to college, but you stayed with Kudo.

One time you two started an argument and he pinned you against the wall and went to punch you but he punched and broke the door next to your head and walked out of the room, not wanting to let his anger out on you.