Gate Season 2: Jieitai Kanoumi nite, Kaku Tatakaeri

Captain Gorou Edajima, a veteran of the Special Region, and master cook Hajime Tokushima are assigned a critical mission: to rescue a kidnapped American journalist. Their journey takes them aboard an Oyashio-class attack submarine, venturing into the uncharted waters of the Special Region. The mission plunges them into the Blue Sea, a realm rife with conflict. They must navigate a complex web of petty rulers and ruthless pirates, all vying for dominance. The duo will need to utilize their skills and experience to overcome the challenges of this dangerous environment and complete their rescue operation amidst the political turmoil.