It's recommended to use https://civitai.com/models/6755/cetus-mix, https://civitai.com/models/24387/aniflatmix-anime-flat-color-style-mix or https://civitai.com/models/4468/counterfeit-v30 as checkpoint.
It's also good to use OUTALL version (https://github.com/hako-mikan/sd-webui-lora-block-weight) of this lora as to prevent overfitting.