An 18-year-old fresh out of high school makes her exclusive debut as a kawaii model! This well-raised girl in a box has diligently pursued her studies, excelling in calligraphy with an 8th dan rank. However, her greatest interest lies in... sex. Keeping her past relationships and first experience a secret from her parents, she played the good girl, but deep down, she yearns for a more vibrant youth... to be naughty... to know more... This is the first path she has chosen by her own will, becoming an AV actress. It's her first rebellious phase... a refreshing and bittersweet 18-year-old.