1boy, mash\(mashle: magic and muscles\), teacher, smile, suit, teaching podium, blackboard, brown hair, black eyes, handsome, gentle, realistic facial features, detailed features, well-defined features, semi-realistic style, painted style, solo, minimalism, adult male style, short hair, beautiful eyes, genkiheiki style, drawing style, sketchy lines, colored sketch, muted soft colors, sketchy details, sharp lineart, subtle shading, expressive eyes
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