Ruri

Ruri attends Saint Polia Girls' High School, where she shares an inseparable bond with Ichika Arima and Rio Amakusa. Serving as the group's grounded observer, she watches Ryo Amakusa's passionate pursuit of Ichika unfold from the sidelines—often delivering sharp, deadpan commentary that lightens the mood. Her sunny disposition paired with a keen eye for detail makes her an indispensable emotional anchor for Ichika, quietly cheering her on through every twist of campus life.