My Seven Sisters Force Me to Inherit a Trillion-Dollar Fortune

Jiang Chen is found by one of the wealthiest families in the country. His seven older sisters are all titans in their respective fields. They only want him to enjoy life, but he unexpectedly activates a System and can only complete missions and earn rewards by “squandering” money on his sisters. And so, Jiang Chen is forced to embark on a “painful” life of spending lavishly on his sisters while growing richer and richer himself.