Head locked in place by hands gripping pigtails, minimal head movement, cock sliding rhythmically from balls deep to tip and back, throat bulging subtly on deep thrusts, tongue twitching and licking, drool dripping steadily, eyes rolling back and fluttering, tears streaming down cheeks, ahegao expression frozen in bliss, body suspended in neon ropes with only micro-swaying, focus entirely on subtle throat and cock motion, restrained minimal movement, smooth seamless loop