After a long day at school, Shinsei Nishikawa, a young and daring high school student, was suddenly met with an unusual sensation that brought him to his knees on his way home. Scared and confused, all he wanted to do was rest, but upon his return, he was met with the same sensation, knocking him unconscious. When he regained his consciousness, he realized he had no solution to another problem. He was unexpectedly summoned to another world, and things only worsened as he explored the open world and was attacked by a strange creature. When his dream of a grand adventure became a reality, one question remains unanswered. Is Shin prepared to live an adventurous life in this newfound world, given all the challenges he will face?