After graduating from high school, Aya decided to go to Tokyo to look for a job. Because she didn't have a room, she stayed in her brother's temporary room. But instead of looking for a room and looking for a job, Aya plunged headlong into the game! She is also dressed quite openly, so her big breasts are always hidden in front of her brother's eyes. Annoyed by Aya's laziness, her brother decided to squeeze these big tits, causing Aya to get angry and leave. But unexpectedly, Aya agreed to let her brother squeeze her breasts to her heart's content. So from then on, her brother comfortably squeezed her breasts, but things gradually went beyond the limit...