A hot spring trip that was supposed to be with his wife... The protagonist ended up going alone with his mother-in-law. He only sees her once a year when he visits his in-laws, and she gives off a slightly intimidating, cool impression. Being alone with her is giving him a headache. Then they arrive at the hot spring inn. As we spent time together, my perspective on your mother changed without me realizing it... A story of a stepmother and stepson who reveal everything to each other and have sex until morning. Collaboration with popular doujinshi! Check out the original doujinshi here! "I went to a hot spring with my classically beautiful mother-in-law and ended up having real sex all night long" "Classically beautiful" "The story of how living with my mom escalated into instinctual breeding sex on a fertile day"
