What is Gekiga Black Hole X about?

Gekiga Black Hole X is a manga.

Is Gekiga Black Hole X still ongoing?

Gekiga Black Hole X is currently finished.

FINISHEDMANGA

劇画ブラックホールX

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Story & Art

What is Gekiga Black Hole X about?: Gekiga Black Hole X is a manga.
Is Gekiga Black Hole X still ongoing?: Gekiga Black Hole X is currently finished.