Women's World: I am the man with the most OP auxiliary class - Chapter 4: The Isekai’s Protagonist

To save the hopeless Dark Fantasy World, I held back my tears and destroyed the world, then killed the Demon King and returned.

Now, I’m trying to save the world using the ‘System’ I gained as the ‘Regressor’s Privilege’… but the Main Heroines have also awakened their memories of the previous timeline.

God damnit.

After his village was destroyed by an E-Ranked demon horde, Augustus was titled the failed lord and mocked by other noble lords.Until, he died.Augustus regressed with the knowledge of the future and his SSS-Ranked skill “Talent Evolution,” fighting to change the D-Ranked village of Iona into an S-Ranked Empire.Need resources? His villager's 10x Resource Multiplier Talent was evolved into 100x! Enemies coming? His champion's Two-Hit Critical Attack was evolved into a One-Hit Critical Attack! Gods? He reared a couple in his courtyard.While other lords slept on their villagers’ talents, Augustus’s villagers transcended gods. While they mocked him for picking a dead village, he would transform it into an oasis.

Ryo Tanaka, a struggling college student, works tirelessly at multiple part-time jobs to make ends meet. In a bid to earn some extra cash, he volunteers for a paid drug research study, unaware that it will alter the course of his life forever.The experiment takes a disastrous turn, leaving Ryo bedridden with a high fever for several days. But when he finally awakens, he finds himself in a world plunged into chaos. A deadly virus has ravaged the city, turning its inhabitants into ravenous, flesh-eating zombies. Streets once bustling with life now lay desolate, the remnants of civilization crumbling under the weight of the apocalypse.

Yin Yin is the new bedside mother-in-law who specializes in protecting the safe and healthy growth of children in the world. However, she found that more and more parents do not pay attention to their children’s growth, which leads to the original innocence and cuteness A child’s life is miserable.

Yin Yin decided to go down to earth to become the mother of the children and protect the happy lives of those poor children.

World (updated in no order):

1: A patriarchal mother

2: The queen mother who gave birth to a child in hidden marriage

3: Mothers of left-behind children

4: Single mothers of divorced children

5: The mother of a child with autism

6: The mother of a disabled child

7: “For You” Strong Mom

8: The eccentric mother who abused her adopted child

9: The real and fake daughter of a peasant mother

10: Second child mother

11: The Queen Mother of the Nine Sons

12: The gold-worshiping mother who holds the upper hand

13: Superstitious illiterate mother

14: Stepmother whose mother became a stepmother

15: The poor mother who abandoned her husband and child

16: The Fallen Wealthy Mother

17: Abducted college mother

18: Divorced mother of blind child

19: The loving mother who lacks love for the little father-in-law

20: To be added

- Description from novelbuddy