The Idle Fish Cultivates Immortality: My Dao Companion Trains, and I Grow Stronger

A useless man who can't cultivate and only wants to lie flat gets a stroke of luck and is sent to marry into the Su family.

Though everyone gives him a hard time, he never complains. They all think he's madly in love with Su Qinghan.

Only he knows that when the night is deep and no one's paying attention, he looks at the cultivation he gets back from the System and grins with delight.

Every time his cultivation partner improves her cultivation, he gets ten times the increase in return. Anything he gives his cultivation partner also earns him ten times its value in return.

But then Su Qinghan changes. The aloof immortal maiden, always absorbed in cultivation and indifferent to worldly affairs, actually starts cooking for him.

Alarm bells ring in Qin Chuan's mind. "Could she have found out?"