Evulchibi predominantly draws women, so this style mainly generates females.

Positive prompt, is better if it's detailed and a little bit extensive. To generate a guy, you must reduce it to 0.2 ~ 0.3 with the addition of multiple masculine adjectives

Trained mainly with rectangular images. Proportions: 5:3, 4:5

They are not exact, there is a lot of variety, it is better to adjust until it covers the whole landscape.

It is possible to try 512x768 or 768x512 not square because it would have to leave blanks, if you want more precision of scenery you could use:

Horizontal 750x421.

And vertically 445x750.

A strong negative prompt is highly recommended and necessary to achieve good results.

For more polished and refined results you should use upscale 1.5 ~ 2 with at least 10 Hires steps and about 0.5 denoising strength.