Tatsuya had come to visit his aunt Ria's house during the summer vacation. Ria, kind and beautiful, had been a childhood idol for Tatsuya, but now that he had grown up, his feelings had transformed into those of an adult man for a single woman. However, his aunt was married. Tatsuya could do nothing but harbor these troubled emotions... Whether she knew of Tatsuya's feelings or not, Ria made an unexpected proposal. "How about we take a bath together like we used to?"
