Prompt: (masterpiece), (masterpiece), (Chibi), <lora:aronaBlueArchive_v1:0.8>, arona, 1girl, white hairband, bow hairband, halo, short hair, single braid, (in classroom without wall), shallow water on floor, wave of water, school uniform, barefoot, blue shirt, long sleeves, white bowtie, white choker, white hairband, white sailor collar, white skirt, sea and sky outside the classroom
Negative prompt: (Low quality, worst quality:1.4),  EasyNegative