Place it at the end of a build-up, just before the action starts, then follow it with the Round One Fight cue to turn the claim into a start signal. If the plan falls apart instead, cut to No No Wait Wait for the sudden change of mind.
このサウンドについて
The clip is a short spoken line, just under two seconds long, delivered in a playful voice that stretches the first word into a long rolling R before landing on 'ready is my middle name'. It feels confident and cheeky, like a boast made with a grin, turning a simple claim of being prepared into a joke about identity.