mochi (somniserotonin), gawr gura, gawr gura (1st costume), hololive, hololive english, highres, 1girl, black background, blood, blood on cheek, bloody weapon, blue eyes, blue hoodie, blunt bangs, fins, fish tail, gradient hoodie, hair ornament, head tilt, holding, holding polearm, holding weapon, hood, hoodie, long sleeves, looking at viewer, multicolored hair, polearm, shaded face, shark girl, shark hair ornament, shark tail, simple background, streaked hair, tail, trident, two side up, virtual youtuber, weapon, yandere