Rule 34 Dev - 1girl bike_shorts blue_eyes blush character_name closed_mouth crossed_arms full_body grey_hair hands_on_own_knee idolmaster idolmaster_shiny_colors ishii_takuma jacket knees_up long_sleeves looking_at_viewer purple_jacket serizawa_asahi shoes short_hair sitting sleeves_past_wrists smile sneakers socks solo striped_background two-tone_background white_socks|22121186373