filial piety
showing devotion (to someone)
filial piety; being kind to one's parents; taking care of one's parents
親孝行をして恩返しをしたいと思う。
I want to be filial and repay my parents.
孝行な息子だと近所でも評判になった。
He has a reputation in the neighborhood as a filial son.
親が元気なうちに孝行しておきたい。
I want to be filial while my parents are healthy.