Kouya’s life is full of misfortune. Every company he works for ends up going bankrupt and his apartment went up in flames. Now he’s a lecturer-in-training at Kaminekosaka Academy and also helps out at his grandfather’s neko café Nekotama-ya, which is staffed by three beautiful girls: the energetic Mike, the timid Ameri and the milady Persia. All three of them had feelings for him, and due to his misfortune, they all confessed to him at the same time. He didn’t want to lose this lucky chance and they all ended up spending the night together as a foursome. The next morning was the beginning of a new relationship between the four of the them, with all three girls being his lover at the same time!