Best quality, masterpiece, extremely detailed, handsome young man

best quality, masterpiece, extremely detailed, handsome young man, skinny build, messy curtain bangs, thick-rimmed glasses, cute preppy college uniform, standing in front of classroom, mathematical equations on blackboard in the background, topless, his arms folded across chest, shy expression, gay, homoerotic, romantic atmosphere, ambient lighting, extremely dramatic shadows, perfection, no watermark, no logo, no signature

worst quality, low quality, bad anatomy, bad hands, bad feet, bad body, missing fingers, extra digits, fewer digits, watermark, logo, signature