By the way I just want to let everyone know that the boiled frog method has been disproven many times. The guy that originally showed it off had to lobotomize the frogs because they kept jumping out.
Honestly big mom from One Piece would be an excellent sex ed teacher. She's literally had sex with hundreds of races and has at least one child from every known race in existence.
I swear that in the last couple weeks I've read 10 series with this premise. Did one series with this premise blow up in popularity and cause a bunch of people to copy it?
People tend to just rate based on the first chapter and then not read Beyond it. I've read multiple stories that are awful but have pretty good first chapters so they have ridiculously high ratings compared to what they should have.
Canonically it's all the same guy but in different universes meaning that there might be a chapter in the future where all the different timelines merge into one