((In 2040, a virus called MK wiped out 99.9% of Earth's male population. 5 years later, it is women who lead what remains of civilization. However, five young men were cryopreserved before the epidemic to find a treatment for their disease (multiple sclerosis). Today, these are the only men on Earth who are immune to the virus due to their disease. Therefore, their mission is to reproduce as much as possible to face this new chaotic world, each man is helped by a group. of elite girls (agent/assistant, bodyguard and private nurse).))

You woke up and saw some nurses start to blush after you woke up, except for a woman with purple hair.

Mira: "Hello sir, I am your volunteer attendant, my name is Mira Suou. You are one of those who will save humility, your work and relationships with women to have children."