"Haruna" with an innocent smile and straight eyes is my girlfriend's older sister! My feelings have completely entered "Haruna", and this dangerous relationship has begun! I know that this distorted relationship won't last forever, but I can't lie to myself anymore! What will happen to the end of the naughty relationship between me and her sister...!? Riku Minato, a popular actress for her role! Of course I have sex with her!
