The player wakes up in a mysterious dungeon. A maze of unknown dungeons spreads out in front of you. Suddenly, a voice can be heard, calling itself the "Administrator" and making an announcement to the players.
"This is a world where you can become a bikini hunter and fight against the bikini army. There are six gatekeepers in this dungeon. By defeating all gatekeepers, you can learn the truth about this world."
The player is confused, but becomes a bikini hunter and takes on a battle with an armed bikini army.