MTL - After Fishing For 10 Years, I Became A Saint Without Knowing How To Raise Beasts - Chapter 1 A cheating life, a ghost in the sea!

In a future timeline, the earth was visited by a species known as the Slarkovs.
Having lost their home planet and in search of a new one, earth was the next habitable planet for them.

Humans and Slarkovs made a deal with each other in return for the Slarkovs living on earth.
The Slarkovs traded their technology and knowledge for a new home.
They were similar to humans except for some of them who had slight differences so fitting into the society wasn't a problem.
Over the years Slarkovs and humans began to mate with one another and reproduce offsprings.
This in turn created a new species known as the mixed-blood.
Centuries later mixedbloods could tap into their bloodline and perform unimaginable feats.

Gustav born into an age where bloodline determines everything, struggles to fit with a useless bloodline.
His bloodline only grants him the ability to change his hair color, destroying his hopes and dreams for a great future.
His fate is turned around when an unexpected situation leads to him finding a system that grants him the power to unlock and upgrade bloodlines by completing quests but he's baffled by two quests with a five-year deadline. Success will grant him unimaginable rewards...
But only one thing awaits him if he fails... Death!

Follow Gustav on his interesting journey filled with unprecedented adventures, danger and death, maybe?

It’s been a year since everyone’s beloved heroine was possessed by a jealous villainess. I was tired of dealing with the male leads who came to tell me not to bother the heroine, and the angel-type heroine, who was completely oblivious to her. All human relationships are useless.“No matter what happens to the original story, I plan to live with cats for the rest of my life and then die of old age.”So, I decided to stay at home. The so-called Emperor Self Imprisonment.You have so much money, why do you leave?In order to live a comfortable life in confinement, they spend a lot of money making tape recorders and gramophone magic tools, but something is strange. The wizard who makes magic tools is too handsome for an extra.“… “It’s strange that I don’t see you.”“I was wrong.”In the meantime, the original male leads make a strange mistake and are in trouble.Please let me just be a homebody.

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

The day of marriage. Lifting the sedan chair to the door, he lightly lifted the sedan curtain, but he saw no newcomer, only a piece of paper pressed under a stone.

Looking at her flamboyant font, his thousand-year-old pupils faintly spurted out a few flames. good very good. On his perfect and impeccable face, there was a faint smile, not angry but smiling.

However, no one saw the hidden chill in that smile. That woman dared to run away from marriage, he would let her know the consequences of doing so.

- Description from novelbuddy