Arpeggio of Blue Steel: Ars Nova (2013) is a Animation, Sci-Fi & Fantasy, Action & Adventure series that follows by 2039, global warming had caused sea levels to rise and large amount of territory to be lost. As though in response, a mysterious group of warships clad in mist, “the Fleet of Mist,” appeared in every corner of the ocean, and began attacking human ships. In spite of humanity mustering all their strength, they were utterly defeated by the Mist's overwhelming force. All of humanity's trade routes were blockaded by the Fleet of Mist, their political economy was destroyed, and the human race was steadily beaten down. Seven years later, the Fleet of Mist's submarine I-401 appears before cadet Gunzo Chihaya. The humanoid life form that pilots the sub, who should be their enemy, is instead offering her services to mankind. Currently, you can watch Arpeggio of Blue Steel: Ars Nova on Crunchyroll, Crunchyroll Amazon Channel. Streaming availability may vary by country and platform over time. It has a user rating of 7.5 out of 10 from 49 votes. Fans of animation series may also want to explore similar titles below.