I just realized something about Choso's "False Memories", or, what we actually should call it:
Vision of a possible Future
It's not really a new thought that this scene shows us a possible Future of Choso, Eso, Kechizu and Yuji all happy and peacefully together,
so many things about Choso, his brothers, their whole birth process and especially their mother (like, from where even did she come from, what was her name, age, look......) and NEVER mentioned anything about it. Choso is such a tragic man. Never even got to meet his Mom 💔.
What if witnessing Choso's mother's multiple pregnancies actually gave Kenjaku some knowledge for his future "Motherhood" 😱? The chances are very high since he's such a science freak and surely didn't let this opportunity get to waste. And also, knowing that Kenjaku still knew