1boy, male focus, bishounen, muscular male, short hair, parted bangs, black hair, v-shaped eyebrows, jitome, black eyes, gakuran, blush, smile, one eye closed, hand in pocket, holding box, heart-shaped box, offering holding box hand, holding box reaching towards viewer, looking at viewer, valentine, classroom, day, cowboy shot, from below, from side, Visual Anime, anime coloring, 8k, digital art, source anime, score_9_up, general, masterpiece, best quality, very aesthetic, absurdres, newest, amazing quality, high resolution, ultra-detailed, newest, volumetric lighting, depth of field, scenery, extreamly detailed

low resolution, low quality, bad quality, worst quality, signature, watermark, lowres