After high school, Kuga Ichirou started his career as a manga artist. However, he is preoccupied with taking care of his younger siblings after his father passed away. One day, as the deadline for his work approaches, a smart and beautiful assistant named Shiori Goshiki appears as a savior to him. Suddenly, Shiori says to Kuga, "I am Meteor country's Princess and we have a marriage agreement now."
