[The first live-action collaboration of the popular work of the popular doujin circle "Crambon" starring the healthy big-breasted beauty Nami Nanami!] My brother suddenly confesses his love to his sister-in-law, and he tries to reject her rationally, but he can't resist her extreme and cute sex appeal and ends up crossing the line.From then on, the two could no longer be stopped and spent their days intertwining with each other's bodies, seeking each other out at home and at love hotels.Meanwhile, a heavy feeling of guilt weighs on the older brother's chest as he wonders if this relationship is allowed, while the younger sister approaches him more and more boldly despite his hesitation...What is the 'final decision' that the cornered brother chooses?
