It is love between girls. A senpai ask her kohai out and agrees. Now their complicated relationship begins. The story starts out slow and their life is deeper and darker than you think.
Two enemies, that been in war for many years, have decided to put their families together through marriage. The Okogi clan and Aihara clan will finally get along by getting their children married. But how will this alliance go? Will they be able to get along? Or will this only cause their hatred to grow? What about the married couple? What happens if they fall in love?