Megumi's divorce with her husband was accepted, and she decided to move to the house where her aunt Tsuyako and her daughter Itsuki live. Contrary to Tsuyako who is happy to meet again after a long time, Itsuki's expression is clouded. Itsuki, who had trouble falling asleep that night, quietly listened in front of Tsuyako's room. Then, as expected, the voice of joy that mother and Megumi are immersed in the joy of reunion leaked out. The next day, Itsuki asks Megumi about her relationship with her mother. In fact, Itsuki also had a relationship with Megumi in the past.
