Is Armored Mermaid still ongoing?

Armored Mermaid is currently finished. It has 13 chapters.

FINISHEDNOVEL

Armored Mermaid

アーマード・マーメイド

Illustration

Story

What is Armored Mermaid about?: Armored Mermaid is a novel.
Is Armored Mermaid still ongoing?: Armored Mermaid is currently finished. It has 13 chapters.