Awakening of the Calamity Demi God

A student sitting at the back of the corner of an empty class wearing a pair of earphone . The student seems like sleeping peacefully with his head lying on the table . Suddenly a blue circle with weird symbols emerged from his feet , scream could be heard from diffrent places in the school . The blue circle seems like swallowing the student body before completely dissapearing . This is the story about a average looking highschool boy named Farel got isekaid and becoming a powerfull divine being. -------------------------------------------------------------- My first novel by the way ,and i accept critique enjoy! :3