When Mashiro was feeling depressed due to Takumi's words, Chie suggested to Aoi to bring in Arika to cheer her up which works and pulls both out of their depression. Chie was also aware that Tomoe Marguerite was involved in numerous plots to take out Arika Yumemiya but rather than report Tomoe she orders her to stop it.
Chie
Arika Yumemiya