Basically, Zhang Han did not care about birthdays. Cultivators' birthdays occurred almost once in a hundred years. Even if they stayed indoors or went out, it was not the norm for them to celebrate their birthdays.

It was the same for Zhang Han, he had not had a birthday in the past 500 years. Mengmeng, however, was different. Zhang Han wanted to give his little princess the best of everything in life, so how could he possibly ignore her birthday?

With regards to ...