Aooni The Blue Monster

In a seemingly typical high school, whispers of strange tales often circulate among students—some whimsical, others unsettling. Among the most chilling is the legend of a sinister creature residing in an abandoned mansion on the outskirts of town. Drawn by curiosity and a hint of bravado, Hiroshi and his friends—Mika, Takeshi, and Takurou—embark on a daring quest to uncover the truth behind these ghostly rumors. Armed with little more than courage, they set out to face the unknown in a test of bravery that soon reveals the mansion's dark secrets.

Upon entering the eerie abode, the group encounters a terrifying blue monster, Ao Oni, who quickly turns their adventure into a fight for survival. As they grapple with the creature and confront various puzzles within the mansion's haunted walls, the friends find themselves trapped in a nightmarish cycle, facing chilling fates at every turn. Their attempts to escape not only test their resolve but also challenge the bonds of friendship in the face of horror.