1girl blue_eyes blush close-up eonsang finger_in_another's_mouth girls'_frontline grey_sweater grin hair_between_eyes hetero highres kalina_(girls'_frontline) long_hair orange_hair saliva saliva_trail simple_background sleep_mask smile speech_bubble sweater tearing_up teeth tongue tongue_out turtleneck turtleneck_sweater upper_teeth_only white_background