CUE! Season 1 Episode 18
Light
The day before the live show where Project Himmel's new unit "LUNA ω rabbits" are revealed, Mei gets a slight fever and has to stay in bed. Worried about her, Satori and Rinne take turns visiting and talk about a side of Rie that Mei didn't know yet. Having been together with Rie since her childhood, hearing this warms Mei's heart.