January: Piercings/tattoos
February: Emotions (jealousy, enthusiastic, shy, rage, etc.)
March: Spring scenery
April: Silver hair
May: Character/s from your favorite book/manga
June: Animal Ears
July: Have fun
August: Sunglasses / Glasses
September: Autumn
October: Food
November: Military
December: Snow
Thank you everyone for suggesting these themes.
