In Batoru rowaiaru (2000), Ai Iwamura only appears for about five seconds as her character Mai. She was then asked to do some stand-ins for some of the girls in the class briefing scene. In that scene, she appeared as following characters: Noriko Nakagawa, Haruka Tanizawa, Hirono Shimizu, and Izumi Kanai. The total time of her appearances as stand-in exceeds the time of her appearances as Mai, the smiling winner.
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