Blurry image, distorted colors, misshapen pencil character, dull gradients, uninspiring blackboard, monotonous atmosphere, out-of-focus details, low-quality resolution, discolored backdrop, smudged illustrations, unappealing lighting, fragmented composition, pixelated image, poorly drawn characters, messy lines, distorted proportions, faded colors, lack of depth, uninteresting setting, haphazard coloring, sloppy execution, uneven shading, incomplete artwork, detached characters, unattractive textures.