Rule 34 Dev - 2016 antenna_hair black_eyes black_hair buruma character_name dated from_behind gym_uniform hair_between_eyes happy_birthday head_tilt idolmaster idolmaster_(classic) indoors kikuchi_makoto looking_at_viewer looking_back open_mouth red_buruma shirt short_hair sleeveless sleeveless_shirt solo sunsun69 white_shirt|12220377858