Kisugi Naoto who is winning fame as superior prepschool lecturer. Such he one day, from Miyako who was his teacher in the middle school age, because i do not mind at time when it is free, if it is possible to tell tutorial of Kasumi who is the daughter reporting is accepted. Kisugi who holds a private desire in the body of Miyako as a pupil, the request from Miyako is undertaken with pleasure. Miyako or Kasumi which is done... While concealing that sort of desire, kisugi boarded the house of only two women who did not have the husband.