He succeeded to the family business.
Kare wa kagyō o tsuida.
he; him; his; boyfriend
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
family business; trade; occupation; line of work; one's father's occupation
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
to succeed (someone in a business or inheritance)