Rui does have her room shown smiles well everyone in prsk does. i like it a lot though it fits her so well and its one of my favorite character rooms 😊
reki does have her room shown in the anime too. she paints there and its pretty plain but i think that fits her as well
hawks has a sode story whete his place is shown 🤔 and jow he doesnt stay in the house provided by the uhm whatever it isZ its been a while since i read bnha. i think he keepsnit fairly simple though