Not sure if its because of anime but using these for the negative prompts helps greatly:
worst quality, low quality, watermark, signature, simple background, bad anatomy, deformed limbs, blurry, cropped, cross-eyed, extra arms, speech bubble, extra legs, extra limbs, poorly drawn hands, text, flat background,modern, recent, old, oldest, , graphic, text, painting, crayon, graphite, abstract, glitch, deformed, mutated, ugly, disfigured, long body, lowres, missing fingers, extra digits, fewer digits, cropped, very displeasing, sketch, jpeg artifacts, signature, watermark, username, simple background, conjoined, bad ai-generated,gradient shading, smooth lighting, volumetric lighting, airbrushing,anime, japanese style, cel shading, flat-faced, manga lines, unnatural lighting,photo, realistic, photorealistic,live-action, untransformed,