Origin the prevailing wisdom 1 is that the term waifu originates from a scene from the 2002 anime azumanga daioh But i think u are correct that her father thinks the same way u think although i personally would disagree. Specifically, this scene from episode 15
The male character in that scene, mr Apologizing shows that he cares for his wifu enough to face her father Kimura, is a teacher at the school the female characters in that scene attend
