Rule 34 Dev - 1girl :d alternate_hairstyle arm_up armpits arms_behind_head black_eyes black_hair blush collarbone flower hair_down hair_flower hair_ornament head_tilt hibiscus highres kokoro_(kokoro_toshokan) kokoro_toshokan leaf long_hair looking_at_viewer navel open_mouth plant smile solo swimsuit takagi_nobuyuki very_long_hair|18354432915