I Saved the Earth with a Bottle of Laoganma

When the big devil comes and the earth is destroyed, the protagonist serves Lao Ganma rice. Big Devil: "What is this?" Protagonist: "Lao Ganma." Big Devil: "Why do you call me Lao Ganma?" Protagonist: "Because it'll make you cry mommy." Big Devil: "I have decided that with one bottle of Laoganma every day, I can let the earth go." Protagonist: "As you wish!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.