Akihito is shown to be an aggressive and strict single parent.He has shown that he has low tolerance and will grow frustrated and disappointed if results don't meet his expectations. He is also an alcoholic.This may be why he is abusive towards his kids. Probably a reason for this is a death of his wife,unable to cope with his grief. He began drinking alcohol. He is also quite intimidating.his sons are easily scared of him, especially Senzai. However, has a softer side for Isamu.