History's Strongest Son-In-Law Living With The In-Laws - Chapter 673

Takahiro Nao, a 25-year-old drowning in debt and despair, lives only for his struggling family. Every sacrifice he makes is for them—until a selfless act costs him his life. Instead of the end, Nao encounters a Goddess of Benevolence who offers him a miraculous deal: “Live in a new world, and your efforts there will support your family back on Earth.”Reborn into the dead body of Naoki von Blackmore, the so-called “Failed Hero,” he finds himself burdened with the daunting task of saving the world by defeating the Demon King—all while supporting the family he cherishes. Armed with formidable powers yet haunted by his past failures, Nao steps into a dangerous realm of swords, magic, and ferocious monsters. Facing relentless enemies, harrowing trials of life and death, and an unyielding fate, he’s forced to confront the ultimate question: how far is he willing to go to protect the people he loves?Filled with emotional struggles, determination, unexpected humor, and a touch of romance, this story asks a powerful question to the readers: What would you sacrifice for the people you love?

Become famous as early as possible, make money as early as possible, and enjoy the joy of life in America with both fame and fortune.

America, Hollywood, business war, entertainment, celebrities and movies.

- Description from novelbuddy

Manipulative MC, no love, Big Harem, Cruel, MILFsMC is an employee in the plot enhancement department of a company that entertains the constellations.His role is to act as the villain, and he is the star employee for this villainous role.He moves within different novel plots, manipulating heroines, farming fate values from sons of heavens, and achieving the end goals suggested by the constellations for those plot endings.While the plot varies according to the assigned world, what remains common is his presence as a villainous character, with not necessarily the presence of other characters like heroines and sons of heaven.For the story introducing MC, it is set in an urban cultivation world where he has been assigned to act as Damien Raphael, heir of the Raphael Group.He finds himself in a face-slapping event with a son of heaven and deals with him accordingly, as this is his daily job.

Failing in his job hunting, Sanada Kyouichirou was hopeless in this society. When kyouichirou had thrown himself towards the bottom of a cliff. When he woke up his body had returned towards when he was in fifth grade of elementary school. He did not want to have any regrets in this life so he had decided on building up an harem in this second life.

The elder sister that he admired, a senior and president of the student council at a school for rich young girls, a strong minded upper classman at school. The poison fang of Kyouichirou who had pretended to be a innocent child attacks those girls.