Fairly quick

It took next to no time for Mika to fall under. It seemed her desire to one up Ann had taken full effect, allowing her to focus fully and entirely on the watch and Hajime's voice and, as a result, she was hypnotized within a matter of minutes.

Ann, as per her programming, was also hypnotized. As soon as Hajime began swinging the watch in front of Mika she had fallen too.

"Very good. Now before we begin, both of you come stand side by side"

The two obeyed, standing next to each other in the middle of the room

"Before I start the shoot..."