Sexy Zone's new song "Innocent Days" has been picked up as the insert song for NTV's drama 'Miss Devil: Jinji no Akuma Tsubaki Mako.'

Starring Nanao, the drama tells a story about an unusual HR consultant named Tsubaki Mako who is known as the "HR Devil." It also stars Sexy Zone's Sato Shori as Saito Hiroshi, a new employee of an insurance company who receives training under Tsubaki.