1girl, ahoge, bare_legs, barefoot, blush, brown_eyes, full_body, grey_hair, hands_on_own_chin, hiro_hiroki, long_hair, looking_at_viewer, lying, multicolored_hair, on_stomach, onii-chan_wa_oshimai!, oversized_clothes, oversized_shirt, oyama_mahiro, pink_hair, shirt, solo, the_pose, two-tone_hair, white_background