Night Rehearsal Manga Spread

Prompt

{"type":"black-and-white manga two-page spread","style":{"medium":"monochrome manga screentone illustration","genre":"slice-of-life school music club drama","mood":"surprised reunion at night, quiet tension with comedic shock","reading":"Japanese manga layout, right-to-left feel","rendering":"clean ink lines, detailed hair, soft screentones, dramatic speed lines in the final reaction panel"},"setting":{"location":"small rehearsal studio at night","details":["large windows showing a city skyline with lit buildings","drum kit in the back","guitar amplifier stack including a visible Marshall amp","wall sign reading Studio Beat Box","wood-paneled or dark studio interior","open door leading into the room"]},"characters":{"count":3,"items":[{"role":"male student","appearance":"teenage boy with messy spiky light hair, school shirt with loosened tie, expressive face, average build"},{"role":"female guitarist","appearance":"teenage girl with very long straight light hair and blunt bangs, calm expression, school uniform, seated with an electric guitar across her lap"},{"role":"arriving student","appearance":"teenage student in school shirt and loosened tie, standing in the doorway and later stepping forward with an outstretched hand; face intentionally obscured or simplified"}]},"layout":{"pages":2,"total_panels":8,"page_numbers":[11,12],"sections":[{"title":"left page","position":"left half","count":5,"labels":["top horizontal panel: door bursts open with large sound effect ガラッ, the spiky-haired boy turns toward the entrance while the long-haired girl sits with her guitar in the studio","second panel: over-the-shoulder view of the boy facing the open doorway as the arriving student stands there with one hand on the door and a speech bubble saying おやっはこっか","third panel: the long-haired girl now stands or leans forward near the doorway, smiling gently with a speech bubble saying こんにちは〜","bottom wide reaction panel: the spiky-haired boy recoils in shock with both hands raised, sweat marks, dense speed lines, a large speech bubble saying な、なんで来てんの!? and a smaller exclamation あせっ","background details recurring: studio interior, night skyline, instruments and wall sign"]},{"title":"right page","position":"right half","count":4,"labels":["top row split into 2 panels: close side profile of the spiky-haired boy looking right, and the long-haired girl seated with her electr...