CAWD-596 Double Cup G, my brother-in-law’s good night. Synopsis The story tells the story of a lucky young man who has a girlfriend, Akane Suzu, and the day he comes to stay at his girlfriend’s house with a pure heart, until he meets Amakawa Sora. Akane’s older sister, which leads him to face a rivalry between the two brothers. The G Cup that made him have unforgettable fun.