1girl absurdres blush breasts brown_hair candy chocolate detached_collar food heart heart-shaped_boob_challenge heart-shaped_chocolate heart-shaped_pupils heart_hands highres idolmaster idolmaster_shiny_colors medium_breasts mouth_hold nipples simple_background solo sonoda_chiyoko symbol-shaped_pupils topless twintails upper_body valentine vegabond_(tumz4458) wavy_hair