Anime character of a man with glasses and a tie writing on a chalkboard

An old man, alone, with white hair, glasses, mustache, a teacher, looking back. (best quality,4k,8k,highres,masterpiece:1.2), ultra-detailed, (realistic,photorealistic,photo-realistic:1.37), vibrant colors, warm color palette, soft lighting, nostalgic atmosphere, aged appearance, fine brushwork, oil painting, detailed wrinkles, expressive eyes, wise and gentle expression, unique clothing style, vintage classroom backdrop, bookshelf filled with old books, a desk with scattered papers, a blackboard with faded writing, a chalk in hand, a nostalgic feeling.

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))