As Sai Shido navigated the bustling passages of Osaka train station on a cold February evening, he felt exhausted from his daily routine. Amid the constant clamor of city life, an unexpected chill sent shivers down his spine, triggering a sense of impending doom in the back of his mind.

The serene evening commute was suddenly shattered by chaotic screams, transforming the ordinary scene into a palpably ominous and sinister presence.

As Sai stood there, the world around him seemed to twist into a nightmare. The air became heavy, the lights flickered, and reality seemed to break apart, hinting at terrifying things lurking just out of view. Little did he realize this night would not only shake everything he thought he knew about his world and himself, but also plunge him into a dark and mysterious realm he never knew existed.

Sai found himself torn between disbelief and the primal urge to survive as he confronted the unfamiliar, his destiny entwined with the shifting shadows that flickered at the boundary of his perception.