The beautiful sister-in-law Chie Aoi is an extremely lustful girl and has a husband who always loves her unconditionally, then she makes everything wonderful and happy. And there was a very lustful brother-in-law who looked at his sister lustfully and wanted to fuck his sister-in-law, and then in the middle of the night when he and his wife were sleeping, the young man sneaked in and secretly fucked his sister-in-law under the blanket without knowing what was going on. it all happened.