Newlywed life at my wife's parents' house. Her mother-in-law is also kind and loves her wife. When my sister-in-law came back to this peaceful house, my daily life was disrupted. She is a sister-in-law who naturally seduces me. She managed to escape for a short time, but she never expected to be married to a man she didn't know right in front of her... My sister-in-law who is too free-spirited finally eats me up, and I am stuck in the quagmire of unfaithful sex with her.