There is a blackboard with a chalkboard saying happy teacher's 30 acous

Happy Teacher's Day

(nsfw:1.5),lowres, bad anatomy, bad hands, text, error, missing fingers, extradigit, fewer digits, cropped, worst quality, low quality, jpeg artifacts, signature, watermark, username, blurry, artist name, badart, poorly drawn, close up, disfigured, deformed, extra limbs