Mission Mermaiden Hasumi And The Deep Sea Sist [portable] Jun 2026

Hasumi, the youngest ever agent of the Oceanic Defense Corps (ODC), faces her first solo mission. The Deep Sea Sist—once guardians of the ocean’s memory—have fractured. One rogue Sist, Kaelen , has stolen the Coral Trident , an artifact that controls tidal currents. If unsolved, the surface world will drown in eternal storms. But Kaelen isn’t evil—she’s grieving. The Sist’s ancestral kelp library has been silenced by pollution. Hasumi must learn echolocation combat, resist the Sist’s hypnotic song, and broker a new covenant between the shallows and the abyss.

The game presents a moral dilemma:

The story of Mission Mermaiden Hasumi and the Deep Sea Sisters is a testament to the power of courage, determination, and cooperation. It has inspired a new generation of ocean advocates, and has raised awareness about the importance of preserving the marine ecosystem. As we move forward, we must continue to support the efforts of Hasumi and the Deep Sea Sisters, and work towards creating a world where humans and mermaids can coexist in harmony. mission mermaiden hasumi and the deep sea sist