In a world where supernatural beings coexist with humans, "Beyond the Boundary" follows the story of Mirai Kuriyama, a young girl with the power to manipulate her own blood as a weapon. Despite her unique ability, she struggles with feelings of loneliness and isolation due to her tragic past. When she encounters Akihito Kanbara, a half-human, half-youmu boy with an unusual immunity to injuries, their lives become intertwined in unexpected ways. Together, they navigate a dangerous world filled with mysterious creatures and dark secrets. As Mirai and Akihito form an unlikely bond, they find themselves caught in a web of supernatural events that challenge their beliefs and emotions. With the help of their friends and allies, they embark on a journey to uncover the truth behind their powers and confront the darkness that threatens to consume them. "Beyond the Boundary" is a captivating blend of action, romance, and fantasy, exploring themes of identity, friendship, and the complexities of human nature. Join Mirai and Akihito as they navigate the blurred boundaries between the ordinary and the extraordinary, facing both external threats and inner demons along the way.