Recommended model: fCAnimeMix - fC: 动漫 (Anime) - v3.0 | Stable Diffusion Checkpoint | Civitai
Principal Prompts: 1girl, long_hair, blonde hair, orange eyes, spiked hair, :3, multicolored hair
Negative Prompts: (low quality, worst quality:1.4)
Clothes: red skirt, long sleeves, bow, school uniform, full body, white shirt, hairband, shoes, bowtie, kneehighs, stripes socks, suspenders
1.0 was created with inpaint images
1.1 was created with only high definition images
1.2 was created with 277 images (frames of shuumatsu no harem)
Try the one that works best for you.