Beneath him - erotic short story

All alone, she strolls around in his flat. Her aim is to prepare everything before he comes home. A note has been placed on the bedside table for her to read, and contains a list of instructions to make her punishment as mild and manageable as possible. She loves to obey him, but this particular evening she is overcome by beastliness. With a throbbing heart, she wonders whether she'll be able to contain herself when he reaches for the leather whip.