High School Fleet

A hundred years after catastrophic shifts in tectonic plates caused most of its area to submerge, Japan now thrives as a maritime nation. High functioning cities line the coasts of Japan, and well developed sea routes are defended by specialized naval ships. The marine industry is flourishing, and young girls are eager to join the Blue Mermaids—highly skilled women who devote their lives to protecting the seas. After some time apart, childhood friends Akeno Misaki and Moeka China are reunited at Yokosuka Girls' Marine High School. Here they are joined by others who share their dream of becoming Blue Mermaids. Soon, training exercises commence, with Akeno and Moeka being put in charge of their own ships and crew. Everything is progressing smoothly for Akeno as she settles into her role as captain and builds camaraderie between her fellow crew members aboard the Harekaze, a destroyer ship. However, unexpected engine and navigation failures soon leave their ship stranded and the crew in danger. High School Fleet</i> follows the Harekaze's valiant crew as they navigate treacherous waters and other obstacles on their quest to become fully-fledged Blue Mermaids. (Source: MAL Rewrite)

KanColle

Set in a world where humanity has lost control of the oceans to the “deep sea fleet,” the only hope to counter this threat are the Kanmusu, a group of girls who possess the spirit of Japanese warships. The story revolves around Fubuki, a destroyer who comes to the Chinjufu base to train with other Kanmusu. Watch as their stories unfold! (Source: Crunchyroll)

Saga of Tanya the Evil - the Movie -

In 1926, Tanya and her battalion return home from defeating remnants of the Republic's army. However, when they arrive they receive word of a massive mobilization near the border with the Russy Federation, so the Empire's army must prepare. At the same time, a multinational army under the leadership of the Allied Kingdom moves into the Russy Federation. The enemy of an enemy is a friend, but among the Allied Kingdom army is Mary Sioux, a girl who has sworn to exact justice against the Empire for the death of her father. (Source: Anime News Network)

Strike Witches: The Movie

In 1945, Yoshika Miyafuji, who lost her witch powers during the Strike Witches' last assignment, has been studying to become a doctor. Shizuka Hattori, one of her cadets in the Imperial Fuso Navy, then arrives to deliver a message: Yoshika is to be transferred for study abroad in Europe. When their enemy reappears more powerful than ever, the Strike Witches must form up once again. But can they do it without Yoshika Miyafuji? (Source: Kadokawa, Crunchyroll)