Rule 34 Dev - 1girl :d blood blood_writing bloody_knife blush bow commentary giffany gravity_falls hair_bow hair_ribbon heart kitchen_knife knife long_hair looking_at_viewer open_mouth pink_eyes pink_hair pleated_skirt ribbon ribbon_cable sata_cable school_uniform serafuku shouu-kun skirt smile solo thighhighs very_long_hair yandere|9014184972