Reaching the age of thirty, my income randomly doubled

Synopsis

Reading οn ΒʘXΝOVEL.ϹΟM , рlease

By the time I reached thirty, I hadn’t managed to provide any of the happiness I wanted for my wife.
I also still couldn’t become the support my parents relied on.
At this turning point in my fate, my income suddenly began to increase randomly.
(A daily life tale in a wealthy family setting, featuring a single female lead and no harem.)