Choshiro Kirishima
Voiced by Katsuyuki Konishi
One of the four protagonists. Aged twenty-seven. A former detective.
After making his way to Rogetsu Isle in pursuit of Yo Haibara, a suspect in a series of murders across mainland Japan, Choshiro came across the five kidnapped girls in the basement of Haibara Infirmary and ushered them to safety. He heads to Rogetsu Isle once more to rescue Ruka at Sayaka's request.