1boy, ?, arknights, bangs, beret, black headwear, black pants, blue flower, blue hair, blue jacket, collarbone, flower, gradient hair, groin, hair between eyes, hair ornament, hat, higashi shino, holding, iei, jacket, jellyfish hair ornament, long hair, looking at viewer, male focus, midriff peek, mizuki (arknights), mizuki (summer feast) (arknights), motion lines, multicolored hair, open clothes, open jacket, pants, pink flower, purple hair, shirt, short sleeves, solo, spoken question mark, striped, striped shirt, tentacles, very long hair, white flower, white shirt, yawning, yellow flower