A Mansion Home to Enigmatic "Beautiful Girls" — Femme Fatales "Kouyoukan" (Maple Manor) stands secluded in the mountains, housing four devoted maids. One day, a young author, Kusakabe Akira, stumbled upon this mysterious abode by chance, or so it seemed. Life at the mansion unfolds leisurely, shadowed by underlying secrets. What discoveries and insights will Akira, gain during his stay?