1girl ahoge arm_up bangs black_sweater blue_ribbon blush breasts collarbone commentary_request eyebrows_visible_through_hair grey_background hair_ribbon hakozaki_serika hand_on_own_shoulder head_tilt idolmaster idolmaster_million_live! light_brown_hair long_sleeves long_twintails looking_at_viewer off_shoulder open_mouth parted_bangs ribbon sakurayu777 simple_background small_breasts solo sweater twintails upper_body yellow_eyes  1girl ahoge arms_up bangs blush brown_hair cowboy_shot dress english eyebrows_visible_through_hair green_dress green_ribbon hair_ribbon hakozaki_serika idolmaster idolmaster_million_live! long_hair looking_at_viewer open_mouth orange_eyes pinky_swear red_string ribbon sakurayu777 shawl simple_background solo speech_bubble string twintails very_long_hair white_background