The Legend of Double Gains by the Saints of Two Worlds

When the refrigerator door becomes the entrance to another world, programmer Lin Xuan is forced to start a dual life: during the day, he helps the elf princess Liya regain her kingdom to fight the magic crisis, and at night, she starts a business with the mysterious developer Su Xiaoyue to deal with business conspiracies. When the same face appears behind the disasters in the two worlds, he must write a forbidden spell in code, buy the dragon with instant noodles, and answer the ultimate proposition while saving the three dimensions - how to get the mother-in-law from the two worlds to agree to this inter-dimensional marriage?