The plain-looking younger sister's admiration for her gal older sister grows stronger/she indulges in fantasies of an inappropriate relationship between two women. When her older sister finds out... she becomes obsessed with her and they kiss passionately/her body trembles as she is caressed on her sensitive parts! Even though they know it's wrong, they can't stop. Sex between two women feels so good it makes them lose all sense of reason. Immoral pleasure unfolds from morning till night!