‘You were swayed by certain -influences. Like so many others.’” Later, Kikuko brings up whether he would be returning back California and explains that he’s not certain because of his relationship with Vicki is over: “‘That’s all finished with,’ I said. ‘There's nothing much left for me now California.’” Apparently Kazuo, like Kikuko, partner was the one that suggested they go to America. At first his parents couldn't understand why their son would want to leave, but later found out that Vicki, symbolizes western ideals and culture, was the cause of absence of their son.
Kazuo and Kikuko represents the new culture-- going to America and dealing other foreign cultures-- whereas their parents represents the old culture-- not open minded to western