I should mention that a TV anime series of Nijiyon shorts has been announced for early 2023. It's unclear how it's going to be structured, since Yu, Shioriko, Lanzhu, and Mia are on the promo picture we've gotten — it may be an adaptation of scattered existing strips or a complete new season.
But in other news, I just realized that Season 1 #43, "Old Maid", is a reference to a streamed event from before the game even launched, where Kasumi, Setsuna, and Karin's actors had to play a bluffing game called "Little Red Riding Hood Does Not Sleep"; in particular, Tomoriru (Setsuna) kept saying "Who knows?" with a perfect poker face whenever asked for information.