It's very close, but just a little bit shy of being sissy enough. She Let a single drop spill the edge. Every sissy needs to catch every last drop whether it's an overflowing glass of champagne, her mistress's creamy pussy, or her master's erupting cock.
Such a strict sissy taskmistress you are Miss Hyde!
Not for everything, but I feel there are certain things that a sissy should strive for perfection on ^_^