This CKPT is UNet-only, so you need to use a VAE separately from the checkpoint.

u can use settings

KSampler:

eulr a

Schedule:

norml

CFG scale:

4 or 5

Guidance:

4 or 5

Clip skip:

2

Upscaler

R-ESRGAN_4x+ Anime6B, 4x_NMKD-Siax_200k, 4x-AnimeSharp, etc.

the rest is up to you. those are just the settings I often use