You Said This Was Just to Honor My Mom, So Why Are You Blushing, Auntie?

[Urban slice of life + multiple heroines + love rivals + lighthearted comedy] Lin An accidentally activates a Filial Piety System. As long as he shows devotion to his elders, he can earn points, draw skills, and grow stronger. But what can he do when both his parents are dead? All he can do is show filial devotion to his mother's best friends. But then one day, Lin An realizes things aren't so simple anymore…