Rize explains that it must have been a shock to Chino to have her fun taken away from her when Cocoa completed the puzzle Chino had been working on a little every day. (The fun received being taken away by Cocoa.)

リゼ：

「楽(たの)しみが取(と)られてショックだろうな」

取(と)る‘s negative stem is 取(と)ら. Append れる for 取(と)られる.