The star of this work is Yuna Shina!! She is a beauty who captures your heart with an enchanting smile, possessing a fragile yet undeniable presence!! Since her return to the industry, appearing in REbecca's image videos has become an annual tradition. For this fourth installment, we deliberately adopted a simple composition in a Tokyo studio. In a space that doesn't rely on locations or lavish decorations, her current self quietly emerges. Sometimes soft, sometimes sharp. Her will dwells in every gaze and breath, creating an exquisite tension and an enchanting atmosphere... In this work, Yuna-chan's own "personal lingerie" is used, allowing you to feel an unprecedented sense of immorality more realistically. In the interview, she has a relaxed talk about her private life, sharing precious glimpses of her true self, such as how an indoor person like her spends her time when visiting a hot spring. In a silent secret room filled with dense sighs, you will discover a pleasure you cannot resist...