Hikari Hanazono, the main character, has always been second to Kei Takishima. While Hikari considers Kei a rival and somewhat of a friend, Kei loves Hikari. Everyone Knows this, but she is too dense to notice.
Their wrestling loving fathers first introduced them to one another when they were 6 years old. Assuming that she was the best in wrestling, young Hikari challenged Kei to a wrestling match only to be throughly defeated by him.