This sounds like a classic trope-driven setup for a lighthearted action-comedy or a creative writing prompt. The Protagonist: Yuki (Female Ninja Maid)
Why is this interesting? Because the Ninja Maid has a code: Never make a sound.
The Clash of Duty and Laughter: The Female Ninja Maid vs. The Tickling Villain
The Gadgeteer chirps with delight. "A ninja in frills! How delightful! But you look far too tense, my dear. You need to… loosen up ." The Action