From Crunchyroll: We are the scum of humanity. Hanabi and Mugi are bathed in envious gazes from all around as a beautiful couple with excellent moral conduct. But these two apparently perfect people in an apparently perfect relationship share a secret they can't tell anyone. Included One-shots: Volume 1: Nyan Nyan Prelude Volume 2: Nyan Nyan Serenade Volume 3: Nyan Nyan Oratorio The lonesome struggles of the only living being on Earth. Volume 4: Nyan Nyan Cantata A pet cat looks back on her life with her kind master when she feels that her days are coming to an end. Volume 5: Nyan Nyan Andante An abandoned cat grows fond of her new owner but she starts to feel insecure when the kind-hearted owner adopts another stray creature.
[This series was migrated from the old Kagane. There may be missing data or inaccuracies.]