NEW IMPROVED VERSION with NoobAI (directly taken from the anime screencaps).

Jean is the typical guy who likes to be labeled as a "total a**hole" within his circle of friends. After being blessed by puberty and growing tall, hung (and hairy), Jean didn't wait too long to become a bully in high school to feel like a leader. Things changed for the better during college years. Jean spends his days fighting with his teammate Eren on the college basketball team, cheating on his girlfriend(s), and playing the piano in a jazz band (a thing he keeps a jealous secret). Nature has blessed this adorable dork with a solid 9-inch cock for the joy of his partners. Favorite catchphrases: "C'mon babe, it's just the tip"; "Damn, are you the CEO of Hoover 'cuz you're sucking me so good"; "When I said I was deep, I meant 'balls-deep'", and "What do you mean you're pregnant??". He put his turbulent personality in place after meeting his current girlfriend, the uber-smart Pieck Finger.

The SD1.5 model works well with weights between ~0.55 - 0.72,

The other versions work perfectly with a weight of 0.8 - 0.9

I suggest in the prompt to add: "stubble, brown hair, mullet hair"