Gifts Return a Thousandfold: I Get Stronger Just by Living Off Women

[Get critical-hit rewards by living off women + lie flat and cultivate immortality + the Empress throws herself at me + love-triangle chaos warning] My senior sister gives me a spirit herb, and the System’s critical-hit cashback rewards me with a ninth-grade immortal herb! My junior sister gives me a pill, and the System’s critical-hit cashback rewards me with a Nine-Turn Immortal Pill! My master gives me a basic cultivation manual, and the System’s critical-hit cashback rewards me with a sacred-grade Yin-Yang Dual Cultivation Art! Now that Ye Fan has obtained the System, all he has to do is live off women. Whenever a female cultivator gives him a gift, he gets a critical-hit reward! Ye Fan has only one thing to say: Living off women sure is sweet!