Abyss Seeker: What Do You See Deep in The Abyss

In this world, Pentagaia
There is a castle in the sky where secrets are said to sleep.

The lords of the five kingdoms, who have come from the five worlds to the
from the five worlds to the Castle in the Sky, wishing to return to their original worlds.
The lords of the five kingdoms who have moved from the five worlds to the Celestial Castle in hopes of returning to their original worlds.

The "sixth seeker" suddenly appears in the castle.
At the same time, a mysterious dungeon gate also appeared.

She has lost her memory, and all she remembers is that she has to
is that she must go to the abyss.

Enter the underground gate,
and then through the Abyss to reach the Abyss.
Thus began her journey through the Abyss.

A dungeon known as the Abyss has suddenly appeared. To open the "Door of Darkness" at its deepest point, the Seeker plunges into the dungeon gate... in search of the truth. Survive the onslaught of dark forces in this twin-stick survival shooter! — Do you have the will?