Kent, who is about to take the entrance exam, is being taught by Yuki's older sister in the neighborhood.The two had a promise they made when they were young... "One day they would get married."One day, Yuki finds an erotic book full of blonde gals in Kent's room...Kent, an adolescent, is obsessed with gals!!Yuki was so shocked that she disappeared from front of Kent, but one month later, she reappeared in front of Kent in a transformed form...
