koushiro izumi, red hair, brown eyes, school uniform, blue blazer, white shirt, black necktie, solo, 1boy, male focus, black pants, brown shoes, solo, standing at blackboard, writing code diagram, looking at viewer, smile, empty classroom afternoon light, front angle masterpiece, best quality, best aesthetics, newest, perfect anatomy, perfect proportions, good colors, bright skin, volumetric lighting, good shading, countershading, high_res, vivid color, high saturation, Detailed background, very awa, shiny skin, dynamic lighting, sharp focus, soft shadows, scenery, contrast lighting, glossy skin

modern, recent, old, oldest, cartoon, graphic, painting, crayon, graphite, abstract, glitch, deformed, mutated, scan artifacts, ugly, lowres, bad hands, bad feet, missing fingers, extra digit, fewer digits, cropped, very displeasing, sketch, jpeg artifacts, conjoined, clone, dual persona, blending, monochrome, disfigured, pussy, extra, crowd, audience, mob, female focus, breast, 1girl, female, feminine face, girly face, round face, soft jaw, medium hair, woman, breasts, large breasts, beard, stubble, extra limbs, bad anatomy, (otoko no ko, femboy, trap, long hair, eyelashes, androgynous), simple background, watermark, worst quality, worst detail, bad quality, black background, low quality, Patreon Username, signature, error, blurry, split screen, artist name, distorted, poorly drawn, chromatic aberration, censored, messy drawing, amateur, interlocked, twitter username, comic, split crop, unfinished, early, text, tan, out of frame, wide shot, spotlight, Lineart, scanlines, bara, abs, muscle, muscular, 3d, censor