second life in reverse world

Kenta Aoki is living a fairly decent life with his high-tier IT job which he struggled his whole life to get until he got into a bike accident and died at the age of 28. his consciousness gets transmitted into the mana pool of a black-haired boy in the world of unbalanced sex ratio and magic, where male to female ratio is 1:1000 . will he be able to live a happy life in such an easygoing world?