Jinryoku Senkan!? Shiokaze Sawakaze
Genres: Sci-Fi
Type: ONA, Episodes: 3
Aired: May 2, 2017 to Nov 10, 2018
Studio: Gaina
Source: Original
Rating: PG-13 - Teens 13 or older
Synopsis:
The series plays out in the Onahama district in Iwaki, in the Fukushima prefecture's coastal region. 

It follows the personifications of two WW2 japanese warships, Shiokaze and Sawakaze, who worked as breakwaters in Onahama Port. In this fictional story, the 2011 earthquake pierces a worm hole in the spacetime continuum, starting an invasion from another dimension.