Four 15-year-old beautiful, smiling, baby-faced, black-haired

Four 15-year-old beautiful, smiling, baby-faced, black-haired, dark-eyed, long-haired Japanese schoolgirls in full black English school uniforms wearing black neck chokers and black pleated black skirts, waist-high, short, knee-high black socks, laughing in the Oxford University library.

(nsfw:1.5), sfw ng_deepnegative_v1_75t, ((badhandv4)), (worst quality:2), (low quality:2), (normal quality:2), low-res, multiple bodies, bad anatomy, bad hands, normal quality, ((monochrome)), ((grayscale)) watermark, bad legs, bad arms, unnatural