Antique Heart

At the outskirts of the school, an abandoned building stands, gradually succumbing to the ravages of time. Once a vibrant space, it now hides a mystery that Takahiro and his friends are about to uncover. As they explore the decaying structure, they encounter an enigmatic entity named Saki, whose existence is intertwined with the fate of her world.

Drawn into a web of secrets and challenges, Takahiro faces the daunting task of helping Saki avert impending disaster. As their bond deepens, the group must navigate the complexities of friendship and bravery while unraveling the mysteries that lie within the old building's crumbling walls.