hirogi mayu, a girl's school student from her hometown.

My older brother, who had loved 'mayu' since he was a child, returned to his hometown for the first time in several years. However, he was a brother who confessed to the shock that he came to tell his father that he would marry him. If you can be connected to your older brother, who has a different heart, I will give you all the important things of Mayu. Sexual activity with my brother waiting for a tragic, sweet but sad ending. I'm the only brother.