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?PS: If you cannot wait for character developments don't bother reading. The MC's character growth happens more than once in this story.