Prompt: a man teaching a class in front of a chalkboard <lora:v1nc3c4ss3l:1>, button up shirt, chalkboard full of math notation, 8K, UHD, [candid, amateur], cinematic lighting, upper body, highly detailed face, professor, close up
Negative prompt: (open mouth, teeth), old, wrinkles, female:1.5, woman:1.5, asian:1.1, grayscale