A men's esthetic salon staffed by lolita girls. They wear casual schoolgirl uniforms and call customers 'big brother,' gaining popularity as a 'little sister esthetic' service. On her first day, an innocent young girl is nervous, while customers use every trick in the book to sexually harass her. 'No way, big brother...' Despite her confusion, the lolita girls end up being subjected to everything from mischief to raw sex.
