The Monster Bloodline System [DROPPED]

This is the story where ordinary office worker but he was just a slave worker there even he did all work of other in 7 years he didn't even got promotion and then he suddenly died becuase of overworking. After he died he got transmigrated into fantasy world into the 'Quefaialm' realm where human and monster are in peace becuase of the past... And after reincarnated into world of 'Quefaialm' he got monster bloodline system too. He can change her bloodline after meeting a requirement. Becuase of her low level bloodline he struggles to changes her bloodline into better bloodline. -If you are tired a system that is too op and the mc is not struggles to survive. -If you are tired that mc is so lucky and many coincidence happening then this is your cup tea. -Where mc is not simp and like to saving around without reason, even he have a power to save them he will not save them without reason -Not a naive mc -This story will develop into better to better one like a story that weak to strong and will change her habit (The cover is not mine if you want take it down just comment it :) but you need evidence if it that was really yours :) thank you) *I just create this novel to practice my writing and I will write a new novel after this novel finished.* *DROPPED I WRITE ANOTHEE STORIES PLEASE READ IT*