This is an Illustrious lora for backgrounds for Japanese style highschools.
A weight of 0.8 to 1.25 works well with this with most models. Sampling Steps of 15 to 35 works well with most models, as does a CFG Scale of 3.5 to 7.5.
Prompts for this lora are ( JapHigBac, Japanese highschool, exterior, ).