This is an Illustrious background lora for a Japanese style onsen scene.
A weight of 1 to 2 works well with this with most models around 1.25 to 1.5 and depending on certain 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 ( Onsen, background, ).