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