The Mist-Shrouded Gate

Eve Blackwood invites her four closest friends-Jasper, Mira, Finn, and Zoe-to her family's ancestral home for a weekend getaway. The Blackwood estate, perched on a cliff overlooking the sea, has been abandoned for years due to rumors of strange occurrences.
As they arrive, an unusual mist descends, obscuring the property. The group discovers an ornate gate on the grounds, previously unknown to Eve. It's shrouded in mist and seems to emit a faint, eerie glow.
Each friend experiences unexplainable events:

Jasper hears whispers when alone.
Mira sees shadowy figures in mirrors.
Finn feels a constant, unseen presence.
Zoe has vivid, unsettling dreams.
Eve finds old family documents hinting at a dark secret.

As they investigate, they uncover a generations-old curse tied to the gate. The mist is thickening, and they realize they must solve the mystery and break the curse before the gate fully opens, potentially releasing something sinister into the world.
The friends must use their unique skills and strengthen their bond to unravel the truth behind the Mist-Shrouded Gate and the Blackwood family's hidden past The tale begins with a group of friends - Eve, Jasper, Zoe, Finn, and Mira - who encounter a mysterious gate that leads them into a series of supernatural adventures. They face various challenges, including battling an entity called Erebus and exploring different realities.
As the story progresses, they discover they're part of a larger cosmic plan. They become cosmic constants, each responsible for maintaining different aspects of reality: Time, Order, Life, Space, and Change.
However, they soon learn that they're caught in a cosmic loop, repeatedly facing similar challenges. They encounter an older version of Finn who reveals that this loop was created to combat cosmic entropy.