Dimensional Literature and Entertainment [ Gowther x OC Story-Seven Deadly Sins]

Young Katherine Summerston is an epileptic girl who does not really have very many friends. She loves many different kinds of literature and entertainment; that includes anime. With her not being careful, she tends to mess up quite a bit in life. That includes when she was being stupidly inattentive and gets hit by a car. But that's not all, she gets transported into her most favorite anime... The Seven Deadly Sins. What will happen to this poor girl?