In order to attend a special school for welfare, Hiroyuki decided to stay in Aunt Manami's house in Tokyo. Despite the relationship between aunt and nephew, Manami, who had been kindly and loving for a long time, was Hiroyuki's first love partner, and I was looking forward to this inn in many ways. Hiroyuki was frustrated every day by Manami, who still treats himself as a child. But it was all a sweet oyster as a woman of Manami who saw Hiroyuki's heart.