I was restructuring the company I was working for. I’m thinking of relaxing at home for the first time in a while, but for me, my neat and withdrawal sister, Remu, reigns as the owner of this house during the day when my parents are away from work. I get in touch with Remu, but there is a sister in front of me that is different from the one I knew … My sister, Remu, who hadn’t even talked for a long time, was actually growing into a hidden big tits!