They have been married for 5 years. Hikari, his wife, lives happily. One day, her husband's father asked her to take care of her brother-in-law, Ikko. Ikko had a problem. He was a habitual offender who caused trouble when he drank alcohol. Hikaru and her husband start a life of abstinence from alcohol together, but Ikko secretly drinks alcohol. Hikari discovered it. * The contents of the recording may differ depending on the distribution method.