✔️ Tested on Steam Deck, it works decently enough (10/12/2022). You can only use the touch screen to advance the text and select the choices since buttons don't work at all.

It's a very sweet and cute yuri love story but... did they really have to be... sisters............ Although the subject is treated in a very sensible way and the writing is great, still feels weird to read and empathise with the characters.