Majisuka Gakuen (マジすか学園) is a Japanese television drama series about high school delinquents, starring members of idol group AKB48.

Haruka Shimazaki is a Japanese actress, singer, and former member of the Japanese idol group AKB48. Her supposed apathetic attitude toward idol fans led to the popularity of the buzzword "salty treatment" in Japanese media. Since graduating from AKB48 in 2016, Shimazaki has worked as an actress, including roles in Hiyokko, Nisekoi, and Tonde Saitama. She also started her own YouTube channel on March 30, 2020.