Amachu anime getting a second season

The official website of Amancu finally announced that the scubba diving anime, Amanchu, is getting a second season.
The second season will be called Amanchu Advance and will premiere in April, next year. 
The official site has also released a new visual and a new teaser. You can watch them below.
It is also confirmed that second season of Amanchu, Amanchu ~Advance, will have 12 episodes.
The cast will be same, except one, Kenichi Kasai. Kenichi will be replaced by Kiyoko Sayama as the director of the series.
The first teaser has been released, you can watch it below.
That’s all for now, stay tuned for more!