ninomae gin, ishigami senkuu, kohaku (dr. stone), dr. stone, highres, 1boy, 1girl, belt, black cape, black dress, black horns, black wings, blonde hair, blue eyes, cape, curled horns, demon boy, demon girl, demon horns, demon tail, demon wings, dress, evil smile, fiery hair, floating, gradient hair, green hair, grin, halloween, halloween costume, hand on own hip, high heels, holding, holding weapon, horns, looking at viewer, male focus, monocle, multicolored hair, pointy ears, polearm, red eyes, smile, spiked hair, tail, teeth, trident, weapon, white hair, wings