Seo Igita just wanted to leave his boring Salaryman life for an Isekai full of adventure, inexplicably grateful maidens, and catgirls. Is that so much to ask? Now he's falling through worlds with his life on the line and an surly, unwilling companion called Truck-kun.

Just when a popular upperclassman has noticed Shiori Honjou, he's pulled into another world. Can she bring him back before it’s too late? Shiori faces increasing dangers as she encounters powerful artifacts from another world, unravels mysteries that transcend this world, and faces the barrier...