1girl black_skirt blue_archive blue_eyes blue_necktie blush breasts breath commentary dildo doodle_sensei_(blue_archive) doorway feet_out_of_frame halo highres implied_masturbation indoors kaetzchen looking_at_viewer loose_necktie mechanical_halo medium_breasts miniskirt necktie open_collar photo_(object) pleated_skirt pov_doorway purple_eyes pussy_juice revision sensei_(blue_archive) sex_toy shirt skirt smile solo sweat two_side_up white_shirt yuuka_(blue_archive)