Why do they always want me to change my filial piety?

After reincarnation, Lu Ran got a hang.As long as you restrain yourself and abide by the etiquette to the bound object, and carry forward filial piety, you can become the Supreme Immortal Emperor when the filial piety is perfect.
On the contrary, if something goes wrong, justice will be punished.
When faced with a charming and enchanting master, a sorrowful and mature wife of the suzerain, a gentle and intellectual elder sister, and a graceful and luxurious queen...
Lu Ran's claws were numb: "They are so good at it, the road to becoming an emperor is really as difficult as reaching the sky!"