Yayoi appears in "The Venus Files" OVA series as a member of the Venus Detective Agency alongside Rio and Karen. In the second episode, after Karen is captured by a criminal group and transformed into a sex slave, Yayoi joins Rio and Masafumi to locate and rescue her. The trio tracks down Karen's location, and Yayoi participates in the ensuing rescue mission. No other details about Yayoi's background, personal history, or character development appear in available media.