Aoki Hagane no Arpeggio: Ars Nova Cadenza - Recommendations

• Vol: 13; Ch: 103
• 2014 - 2019

In the year 20XX, the state of world affairs is changing at a dizzying pace. This is particularly clear in the growing military strength of countries neighbouring Japan, the issue of resources on the sea floor, disaster relief, underwater transport, maintaining order on the high seas and island defence. In response to a near-skirmish with China over the much-disputed Senkaku Islands, Japan builds the aircraft carrier "Ibuki" and organises a new fleet...

• Vol: 10+; Ch: 80+
• 2019 - ?

Year 20YX. Global warming is causing sea ice to decrease in the Arctic Ocean. The Maritime Self-Defense Force destroyer Shiranui, on which Kaburaki, a candidate to become the next captain of the Ibuki, is dispatched to conduct research. Suddenly, a civilian research vessel is attacked by someone...! The "Shiranui" quickly uses its weapons to protect the civilian ship, but...! Who attacked it? What was the reason for the attack!

• Vol: 14; Ch: 110
• 2005 - 2011

• Vol: 2; Ch: 25
• 2013 - 2015

• Vol: 3; Ch: 16
• 2016 - 2017

• Vol: 3; Ch: 24
• 2002 - 2003

The Blue Heaven is the greatest of luxury cruise liners, catering to its guests’ every need. While passing by a derelict fishing ship during a voyage, the Blue Heaven’s crew investigates, finding only two barely-alive survivors alongside a scene of murderous carnage. They are brought on board and treated, but one of the two men escapes custody, loses himself amongst the numerous passengers, and is confirmed the killer by the second survivor. With the ship thrown into chaos behind the scenes, can security forces find the madman before events escalate?

• Vol: 1; Ch: 3
• 2001 - 2002

In 2071, north pole ice have melted and the land has been submerged. Humanity survived but it's divided into two species: the true humans, those who live in underwater cities, and the Dugons, those who chose to undergo genetic modification to live in the sea. Both species go to war to survive as long as the Dugons consider the humans good to eat. To defend against the Dugons, the city of Mari Ramelle builds a new kind of weapon, the mermaid robot, Salacia. Because of the small size of the the pilot cabin, the robot is piloted by a girl and a boy, both 13 years old: Marin Yuuki and Ushio Mizushiro. The fight for survival is hard, and the city has to build more mermaid robots.

• Vol: 7; Ch: 42
• 2013 - 2017

One of the surveillance ships of the company Ferret went missing for some time. Once the ship was found, all 115 members aboard the ship were completely missing. No trace of their existence was found aboard the ship. Masato's sister works for Ferret, and he was tasked to bring her supplies for the upcoming work to investigate this mysterious ship that returned without her crew. He meets a beautiful girl named Uto at the company, who also had a brother that worked for Ferret and went missing inside the ship. Now Masato and Uto must embark on a mission to discover the mysteries of the unknown island where the missing crew has been left.

• Vol: 1; Ch: 6
• 2009

Based on the novel Moby Dick by Herman Melville.

• Vol: 4+; Ch: 26+
• 2019 - ?

Azur Lane, a combination of all the different Camps in the world, was once successful in repelling the underwater menace, the Siren. Now splintered, they must face a new threat in Red Axis, former allies who crave to wield this otherworldly Siren technology for their own nefarious desires! Who will be victorious in the never-ending war between these battleship girls!?