The beginning is always "Ano Day". Love series lets send, schoolgirl × teacher new sense of love story! Tsubai of the trouble is heavier menstrual pain than the person, the schoolgirl of the daily routine to rest in the health room when the physiology approaches. The health room where such a glass flower is headed is always waiting for the Kitagawa Masao of the nursing teacher of the favorite Mijuri. However, Masao is a genuine pervert who loves the physiology of the girl. She calls it "lady" and loves her without hiding her disposition. It's a little different from a love-picture relationship, but a moratorium on ending some time is irreplaceable.