Hiroki's nephew is allowed to stay at his aunt Kana's (Aikawa's) house for a short while to prepare for his exams. Hiroki's youthful and pure appearance reflected in Kana's eyes. Kana's feelings and attitude of "I want to do whatever I can..." stimulate the mind and body of the naive Hiroki... "I've never touched a woman's body before." Forbidden intercourse between my aunt and nephew unfolds...