Prince Consort: It's Not Shameful to Work for a Princess

Liang Rui traveled through time and became the consort of the idiot princess, but within two years, he was killed by the princess again. When he was dying, he discovered that the princess was the daughter of a plane and had loaded the system! After Liang Rui was reborn, he decided to live an honest life and no longer cause trouble for the princess. Anyway, how much more benefits could she get from the system? There is no shame in working for a princess, just treat her as Doraemon!