The reason why our once peaceful home became strange was because I lived with my brother and his wife. - My brother had been living far away due to work, but he returned a few months ago with his wife Rena. - My younger brother, Rena, is beautiful and has huge breasts, and I'm always nervous. - However, I was nervous as I had never met a woman other than my mother. - One day, my mother went on a long trip, leaving me with my father, brother, and Rena. - My brother made fun of me for not getting used to Rena, but my brother's wife, Rena, looked at me with a slightly sad face. - My brother went to work, and Torena, who was in his room, came over. - Do you hate me? - Rena questioned him and when he shook his head, Rena smiled happily. - The look in her eyes as if she wanted to say something, the loose cleavage of her breasts, and the feminine scent she gave off made my sanity collapse. - I didn't know that that was what Rena was looking for...