A young couple who decided to go on a trip to a hot spring run by her husbands brother. - Yuri, her wife, was looking forward to this day. - I have just married her husband. - She is naturally a wife she expected to have sex. - However…. - Her single husbands brother forgives her body with the momentum of alcohol. - Unfaithful relationship at a hot spring inn for 2 nights and 3 days. - A brother-in-law who asks her husband for lilies many times in secret. - He finds himself drowning in pleasure with his brother-in-law ...