I started reading this for a wank as you would assume, but became genuinely infatuated with the story, read all of it in single day, loved it for the story the ending was amazing it had the elements that you would expect from a psychological romance manga, while I wasn't a fan of the NTR from the kido's perspective it was just sex because he was a college student and wanted to live the life, the NTR doesn't last long and the development of characters and how they utilise this peep hole just show the writer was doing more than making a doujinshi. 10/10 would recommend to people who don't mind ecchi content.