“Plastic Beauty,” Netflix’s upcoming Japanese drama set in the country’s growing cosmetic surgery industry, will premiere on September 17, the streamer announced along with 23 additional cast members joining stars Mayu Matsuoka and Riisa Naka. Yuki Saito, who previously directed “Unmet: A Neurosurgeon’s Diary,” is directing the series from a script by Junya Ikegami (“The