"It's been 5 years since I was born in a new world, and this place was a gender-reversed world.

On top of that, the number of men is overwhelmingly small?

This was an opportunity. I'll become the breeding ahjussi!

'Men need to be beaten three times a day to come to their senses.'

'The reason their numbers are small is because they are genetically inferior. The gender ratio of 1:20 proves this.'

'Things called men only act like humans when there is a superior opposite sex to manage them.'

'Stupid and dull guys. Aren't they a gender that can only survive by being parasitic to women?'

'They can't do anything independently, and just want women to do it for them... Well, I guess it can't be helped since they evolved that way to survive.'

However, something is a bit... no, it's definitely strange...?