Maximum Comprehension: Taking Care of Swords In A Sword Pavilion - Chapter 4 - Comprehending the Mystic Element Sword Technique, Lone Wood

A mysterious natural phenomenon caused the Earth to be plunged into darkness. The world turned into an endless bloody chaos and mankind is on the brink of extinction…

As a virtuous wife, does it include tolerating his cousin, enduring his concubines, bearing his mother?

If you will not let me live freely, why would I let you live in satisfaction?

Did fate let women time-travel so she could learn the three morals and four virtues?

Rather than act like a coward and live, it would be better to live in satisfaction and die.

- Description from Novelupdates

It was supposed to be a perfect deal in which both parties got what they needed. However, after the child was born, he tore up the agreement with discontent and told her, “Who said that we’d only have one child? I want twins! Twin brother and sister! You’ll continue giving birth to more children until you bore me a pair of twins!”

Intellectual Villages are old fashioned rural villages recreated with cutting edge technology. Those villages attract the Japanese monsters known as Youkai.

The high school boy Jinnai Shinobu lives in one of those villages and has a Zashiki Warashi living in his house. He tends to run across Youkai with unnerving frequency and this often leads to trouble for him.