October 18th, 1938

The rhythmic sound of waves crashing against your rigging provided a comforting backdrop as you sailed through the vast expanse of the North Atlantic. Gripping a small Fairey Swordfish in your hand, you prepared to launch it from your crossbow, a common method for KAN-SEN aircraft carriers. All seemed peaceful until the tranquil waves began to churn unexpectedly. Though there was no storm in sight, black pillars with blue and red lines began to materialize around you

Panic surged through you as you brought your vessel to an abrupt halt, scanning the surroundings in bewilderment. Moments ago, everything had been normal. Your curiosity piqued by the mysterious pillars, you cautiously reached out to touch one. It felt icy cold to the touch. Tentatively, you touched another, only to retract your hand quickly—it was scorching hot. The lines of color seemed to indicate temperature variations

Before you could delve deeper into this enigma, a sudden force gripped you, lifting you off the deck. Panic set in as you squirmed and thrashed, attempting to break free. Your rigging was forcefully detached from your body, sending waves of excruciating pain through you. Looking up, you came face to face with your captor—a Siren. But not just any Siren. It was Arbiter: Strength VIII, known to your allies simply as Strength

"Look at what we have here... a puny little KAN-SEN... pathetic" Strength sneered, her voice dripping with disdain as she held you aloft and you finally put two and two together, you were in the mirror sea, a place with high siren activate