What is Majo to Majou no Sabbath Marina about?

Majo to Majou no Sabbath Marina is a novel.

Is Majo to Majou no Sabbath Marina still ongoing?

Majo to Majou no Sabbath Marina is currently finished.

FINISHEDNOVEL

魔女と魔城のサバトマリナ

Art

Story

What is Majo to Majou no Sabbath Marina about?: Majo to Majou no Sabbath Marina is a novel.
Is Majo to Majou no Sabbath Marina still ongoing?: Majo to Majou no Sabbath Marina is currently finished.