For Sakurai, Mayuko has been a longing and first love since childhood.She was more than a friend's mother.He doesn't know how many times she's pulled out Mayuko so far.I'm alone with such Mayuko now.And now I am no longer a helpless child.Sakurai couldn't hold back her feelings.Mayuko is surprised when suddenly pressed by her son's friend, and she resists.However, when she hears the young man's pure words, "I've decided that Mayuko will be her first partner!", she weakens her resistance.