A young math prodigy is drawn into a secret society's quest to uncover the truth behind Euclid's ghost, leading to a thrilling adventure through history and mathematics....

When Alice discovers her family's hidden connection to a mathematical equation that allows time travel, she must navigate the complexities of her own identity and history to prevent a catastrophic future....

In a world where numbers hold the secrets of the universe, a young prodigy named Kaito is caught in a web of intrigue and danger as he deciphers the enigmatic 227 equation, leading him to uncover a hidden truth that could reshape the fabric of reality....