Takuya was only interested in the miraculous breasts of the heroines who appeared in erotic manga and anime. One day, he was going to stay with his aunt Chitose for a while while he was job hunting. He had only met Chitose when he was a child, and barely remembered her, but when he met her again, he found out that she had overwhelmingly beautiful and attractive breasts. Takuya was instantly captivated...!