Yuki Kasuhara, a command officer in Yokohama's Fire Department, handles 119 emergency calls, balancing high-pressure crises and workplace challenges. Known for her quick thinking, she often defies norms by visiting accident scenes, sparking friction within the team.

Cast: Nana Seino, Koji Seto, Ai Mikami, Hayate Ichinose, Kou Maehara, Koichi Sato