Life of Being a Crown Prince in France - Chapter 21 - The Unfathomable Crown Prince

A young boy genius, Suo Jia, is a water mage who dreams of being a warrior travelling the great and dangerous trade routes to find his lost father that set off on them before Suo Jia was born. Having to look after his sick mother, Suo Jia manages to find a way to solve all their problems, as well as make a name for himself. He gathers nobility, vast wealth, items of great power, knowledge lost to the ages, and exceptionally talented females around him as he plots and plans – preparing to set off on an epic journey that will go down in history as a new legend. However, will others that depend on his powers so much be willing to let him go on such a dangerous journey so easily?

- Description from Novelupdates

The world changed the day that cracks appeared in the sky– suddenly monsters named『Demonic Beasts』appeared and began to rampage, attacking people.

Meanwhile, girls called『Magical Girls』began to appear to counter the demonic beasts. As they defeated the demonic beasts, gradually people’s lives gained a semblance of composure.

–but when there is light, there is also darkness.

In the corner of an alleyway, a boy who had been attacked by a demonic beast was dying. His voice begging for help did not reach anyone and his body refused to move.

「Boy. Do you want to be saved?」

Looking into the boy’s face, a black cat began to speak to him.

The boy nodded firmly to the devilishly sweet invitation, in response the black cat mocked him.

「Is that so—then I’ll【Haunt (Save)】you」

—on that day, a『Magical Girl』was born in a place that no-one knew.

『She』never laments, no matter what the future may bring.

During the summer vacation, sixteen nieces came to Luo Feng’s house to play together, but they couldn’t go back when the city was closed.

He silently calculated that the 16 nieces had to eat 16 catties of rice, 8 catties of meat and 20 eggs a day.

Total other consumption, need 3000 yuan per day.

Just when he was trembling, Uncle Shenhao’s system descended!

Just pet your niece to get rewards!

Explode the street with my niece, reward: an extended version of Rolls Royce.

Take your niece to the supermarket, reward: 30 million supermarket coupons.

Take your niece to eat out, reward: 100% shares in Dihao Hotel.

Teach my niece to write, reward: a house in the school district.

Book a movie theater for my niece, reward: shares in Yida Company!

Hold a luxurious birthday party for your niece, reward: the design drawing of the world’s strongest aircraft carrier!

With this system, I take my 16 nieces everywhere to eat, drink and have fun every day.

Accidentally, he became the richest man in the world…

- Description from novelbuddy

Seventeen-year-old Hajime Nagumo is your average, everyday otaku. However, his simple life of pulling all-nighters and sleeping in school is suddenly turned upside down when he, along with the rest of his class, is summoned to a fantasy world!