The Billionaire in the Fish Tank

Julian Grayson's soul is transferred into a koi fish after an accident. With a system, he assists his wife, Grace Sullivan. Faced with malicious blockades from capitalists and rivals sabotaging their company, the couple resolves crises, exposes conspiracies, and purges corrupt capital forces. Julian Grayson regains his human body. They expand their enterprise, establish a charitable foundation, and live a happy life.