Junshi, who had long admired his aunt Sayo, ended up staying at her house during his exam period. Junshi was constantly excited and nervous living alone with the seductive and kind Sayo. However, Sayo was growing lonelier by the day as her husband never returned home. Seeing Sayo's smile fading away each day, Junshi became concerned about her well-being and went to check on her... only to experience something unforgettable.
