The Sweets Prince's Search - Chapter 37: Christmas

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of powerful enemies by depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

In a world governed by cultivation and power, Li Tian was once a formidable warrior, feared and respected. However, betrayal led to his untimely death. Reborn in a new realm, he awakens as a 17-year-old bastard child of a powerful family, ridiculed and ignored by those around him. Retaining the memories of his past life, Li Tian is determined to seize this second chance.As he navigates the treacherous waters of his new existence, Li Tian finds himself entangled with numerous captivating women, including his alluring stepmother, Xu Fang, and his charming fiancée, Zheng Wei. With a system that reveals his hidden desires and offers him tasks to complete, he must confront his inner struggles while forging bonds and gaining strength.Will Li Tian rise above the stigma of his birth and carve out a destiny worthy of his past glory, or will the shadows of betrayal continue to haunt him? Join him on a journey of self-discovery, love, and conquest as he seeks to transform from a mere bastard into a legendary figure of the cultivation world.

Entering Tokyo in the bubble era, in this strange era, the only familiar ones are Matsuda Seiko, Nakamori Akina, Kudo Shizuka…

- Description from novelbuddy

This novel is also known as From The Start, I Traded A Galactic Warship

After getting a trading platform three thousand years later, everything in the world has become an antique, worth a thousand gold.

But it was also learned that three years later, aliens invaded, human beings fell, and the dark starry era began.

In this era of unprecedented change in tens of thousands of years.

Shen Shi decided.

First trade a space battleship, and then talk about it.

then–

Battleships come to the world from outer space! Global shock! Starry Sky Era, open in advance!

- Description from novelbuddy