Des:5th year of marriage. She is Hikari, a wife who lives happily ever after. One day, she was asked by her husbands father to take care of her brother-in-law, Ikko. Ikko had a problem. He was a habitual criminal who got into trouble when he drank. Hikaru and her husband start a life of sobriety, but Ikkou secretly drinks alcohol... Hikari discovers it...