Reina Matsushima returns, delivering a thrilling new performance to meet fans' high expectations. This time, she plays an older sister working at a local surf shop. Her tanned, busty body becomes the target of playful teasing, while she's asked to give surfing lessons, shares seaside grooming moments, and enjoys intimate body care during baths—sparking numerous physical encounters. As the story unfolds, her passion gradually rises, leading to an energetic and exciting experience. The release features two different endings, allowing viewers to choose based on their preference and offering a wide range of enjoyment.