This is about Morino Rinze's "Coming to My Senses" outfit, a.k.a. Gyaru Rinze(ギャル凛世). Gyaru Rinze is so cute! If you want her other official outfits, civitai has a great LoRA which covers other outfits.
Prompt : gyaru rinze, medium hair, one side up, hair bow, hairclip, white shirt, bowtie, jacket, sailor collar, belt, blue skirt
You can add facial mark, bag additional prompt.
If you want to remove her clothes, add collarbone to the prompt.