Investing In My Three Crippled Wives Get 10,000x Times Return

The story

Three broken women, A Bastard with 2 CHEAT Systems, what could go wrong? —- Dexter, the bastard first-born of the Ashford Family with no hope of becoming a Hero became desperate. Desperate to escape being a slave in a home where he’s meant to be royalty, Dexter signed a contract without hesitation, breaking off ties to the family and finally alone. It was too late when he realized there was a condition. Well… three conditions. A marriage contract to the City’s three popular cripples. The first: Mute and deaf The second; Paralyzed neck down The third: Blind and chronically ill However, this women were all S-Rank heroines before the unfortunate accident. How could Dexter possibly take care of three proud broken women when he couldn’t take care of himself? [Ding! The 10,000x Investment System activated] Every investment made, physically, emotionally, or mentally, Dexter receives a 10,000 times return! Use his life to save them from Monster Attacks, he receives a broken bloodline! Use his time to clean, cook and care for them? He receives 1 year of cultivation! Spoil them rotten with jewelries, he receives legendary grade equipments! The four families casted aside Three broken heroines and an unawakened bastard son, abandoning them. But how was they to know, that the same useless son would transform those three broken dolls into Overpowered Heroines the entire world can’t hope to come close to. They wanted them gone and forgotten, now the whole world chant their names. That wasn't all... [Ding! Supreme Extraction System Activated] If he was going to be OP with one system, just how broken will he be with two?