Naho had been married to her husband for three years, and although they had no problems in life, their relationship had cooled and they were sexless. One day, while looking at her smartphone in between housework, she became aroused by a passionate kissing video of a man with a secret account live broadcast, and in the heat of the moment, she contacted the man with the secret account, Himorin. Then, when her husband went on a business trip, she invited Himorin to her home and experienced a passionate kiss for herself.