<lora:krearetrocyberpunk:0.5>An adult biker with mirrored visor and a red illuminated cybernetic spine riding a futuristic black motorcycle at impossible speed through an elevated megacity highway, sparks flying from the rear wheel, police interceptors exploding behind him, giant kanji billboards and concrete overpasses flashing by, extreme low-angle motion shot, 1980s retrocyberpunk action, practical miniature-effects feel, aggressive neon reflections, cinematic intensity, adults only