ryutaros, urataros, kamen rider, kamen rider den-o (series), 2010, 2boys, arm up, armor, armor under clothes, blue armor, blush, cardigan, chair, crossdressing, crossdressing (mtf), crossed legs, desk, dragon, flower symbol, hand up, japanese text, kneeling, kneeling on chair, leg warmers, looking at viewer, male focus, monster, monster boy, multiple boys, on chair, orange eyes, ponytail, purple armor, purple hair, red eyes, ribbon, ribbon tie, school uniform, speech bubble, turtle, v, white background