The Rampant Medical Concubine Is in Trouble Again

Everything has its origin and cause and effect. Joey, a 985 medical student who is about to graduate, never dreamed that he could travel back and forth even while writing his graduation thesis. He wanted to marry the Iceberg Prince for the original owner's cheap sister. Not to mention, he was chased by dogs at the beginning. Fortunately, he had an all-in-one system that could do everything. From then on, he turned things around and started a counterattack!