Kamiya is a host of The Princess League.
Yakuza 0 Edit
Kamiya hosts his own radio show with a segment called "Dolce de Postcard" where he read out postcards sent in by his fans and awarded fabulous prizes to anyone who had their postcards read three times on the show. Kiryu caught one of his shows while at his real estate office and was inspired to send his own postcards.
Yakuza 5 Edit
Dolce Kamiya is the Host of TV program, "Princess League". According to Dolce Kamiya, the show has been airing for 20 years and he is the third host of the show.
Contrary to his vain silly appearance on the show, Kamiya has a serious personality and is full of enthusiasm for Princess League how the show may inspire future idols. He takes his job as the host of Princess League very seriously
In both of his appearances, he's a serious person when it comes to his job as both a radio host and television presenter, taking his job in an enthusiastic manner.