ReLIFE S00 E01 Seed

Chizuru loses the position of class representative to Rena. Realizing she was preoccupied with her feelings for Arata, Chizuru confronts Ryo asking him if Arata is a ReLIFE subject. He doesn't want to confirm it, warning her that exposing a test subject would end the experiment for him and they would never see each other again.