I wanted to believe that I was a man in this life too.

When he came to his senses, he was a baby in another world. The protagonist followed that template development. He arbitrarily self-interpreted the common sense of the other world and grew up as the eldest son of one of the Three Great Noble Houses. A new mother came to replace his biological mother, who died at the same time she gave birth to him. This new mother wanted her own child to be the successor and attempted to kill the protagonist by staging an accident. Yet the protagonist stubbornly survived――――――"In this world, even without male anatomy, you're still considered male as a sex/gender......" A chronicle of the daily life of a protagonist living under a misunderstanding.