Dev was a 2nd year college student he wasy very lazy ,calm and innocent and scored good in his academics but lack in sports ,he had few friends.One day while his college took him to tour by his bus. He and his classmates along with his class teacher were summoned to another world with their college bus by Kingdom of Ceresia .He was shocked that his lazy life is gone over.. .when they said that they have to defeat the demon king.What skill will he get ? How will he survive this magical isekai world.?