Seitsuki Ichikawa, a high schooler fascinated by isekai manga, faces a reality-defying experience after encountering a mysterious girl and a deadly accident. 

"And another isekai protag coming fresh from truck-kun" is what Seitsuki thought after reading another comic. Until...
He went out to buy a book from the nearest bookstore. But when crossing the road, he let his guards down. And, the sight of truck-kun at last moments… Then …

Instead of bliss, can Seitsuki survive certain life-death moments?

Dimensional Shadows