Was hoping for a more creative safeword...
What happens when you forget your safeword
Ashley Lane goes completely berserk from the vibrator. Near the end, she uses the "yellow" safeword and he tells her: one more. After that one, she uses the "red" safeword and he persuades her to endure one final one. At the very end, she says "I hate you."
What Happens When You Forget Your Safeword
M/S She should've thought about a safeword