Just before moving in with my girlfriend, I stayed at her place temporarily. Her quiet older sister, Rei, seemed strict at first but was super careless at home, with her braless H-cup breasts swaying and nipples visible through her tight camisole, making me hard. Then Rei started seducing me... I was completely drawn into this story. Rei's acting skills are top-notch, with a natural portrayal that let me fully enjoy the work. Her smooth, fair, and soft skin with a plump body that's perfect for holding is one of my favorite nude bodies in the AV world, and the combination of a beauty with glasses adds to the sexiness. The NTR elements were acted out naturally, and the sister setting was interesting, hitting the mark for someone like me with a sister complex. Rei skillfully played the role of a slightly introverted but sexy sister, and her seductive moves were truly erotic, especially the scene by the kotatsu where I wanted to point out that it's impossible not to notice her girlfriend and mom talking in the next room, but Rei's reaction when she was being eaten out before they returned was hot. Most importantly, Rei's figure is amazing, with beautiful breasts that look great in cowgirl and other positions, and it was fantastic to see her lovely body from various angles. However, some have questioned the casting standards for male actors and even stopped watching midway, and while there are opinions that the male actor was too distracting this time, I could focus on Rei's charm. Overall, it's a quality work where the story and acting match up well, and I'd recommend it to fans.