The arrival of the melancholy "summer", the season when the sun's rays fall violently.Nanako let out a sigh.Her annual "homecoming" to her husband's parents' house.Moreover, because her husband is on a business trip this year, she had to return home alone.Waiting for such a Nanako was a number of abusive words from her mother-in-law and mother-in-law who took advantage of her husband's absence.Furthermore, Nanako's tragedy did not end there.Preparations for the horrifying "Lesbian training" are steadily progressing...