Rinko Koujiro

A brilliant researcher once affiliated with the Shigemura Lab at Japan’s Toto Institute of Technology, this scientist shares a complex history with Akihiko Kayaba. Having worked closely alongside him as both a colleague and a former romantic interest, her expertise lies within the institute's Electrical and Electronic Engineering Department. Her academic background and professional ties to Kayaba place her at the center of significant technological developments within the series' scientific landscape.