"Americans are somehow obsessed with her, and something about me hit a spot with people in Japan"

Utada Hikaru is referring to her own success as an artist. She has actually achieved a level of fame and acknowledgment in both the United States and Japan, and she is recommending that her music has actually resonated with people in both nations. In the United States, she has ended up being a household name, and her music has actually ended up being a part of the culture. In Japan, her music has actually become a part of the culture also, and she has actually become a beloved figure. She is recommending that her music has struck a chord with individuals in both countries, and that is why she has become so popular. She is suggesting that her music has actually had the ability to go beyond cultural borders and connect with people in both countries. This is a testimony to her skill and her capability to produce music that speaks to individuals no matter their background.