masterpiece, best quality, score_9, score_8, score_7, year 2025, newest, highres, absurdres, very aesthetic, safe, 4girls, quartet, vocaloid, square 2x2 ensemble, top-left: kasane teto \(voicepeak\), wink, cheerful smile, open red track jacket marked "4B", left hand pointing toward the center; top-right: gumi \(ai megpoid\), lively open-mouth smile, open green track jacket marked "4B", right hand raised beside her face, leaning on top of akita neru; bottom-left: hatsune miku \(vocaloid6\), bright smile, open blue track jacket marked "4B", one hand reaching toward the center foreground; bottom-right: akita neru, yellow side ponytail, bored sidelong gaze, open yellow track jacket marked "4B", looking at yellow phone held near her cheek; all four leaning inward with varied head tilts, lower pair slightly larger, shoulders overlapping without covering faces, tight square group portrait, slight low central view, four faces arranged around a small central diamond, (faces large and evenly readable:1.5), (centerward hands:1.25), circular eye path, clean separation between characters, out of focus classroom background, orange filtered sunset, thin rainbow double border with neon edge accents, dominant white field, broad red-green-blue-yellow jacket blocks, sparse neon highlights, crisp face lighting, backlighting, shallow layered depth

cropped faces, 4koma, fifth person, duplicate character, conjoined fingers, extra arms, extra digits, disembodied hand, clone, merged outfits, worst quality, low quality, early, old, score_1, score_2, score_3, cartoon, graphic, painting, crayon, graphite, abstract, glitch, deformed, mutated, disfigured, ugly, long body, bad anatomy, bad hands, missing fingers, extra fingers, extra digits, fewer digits, cropped, very displeasing, artist name, blurry, jpeg artifacts, lowres, censor