Traveling to the Countryside, I Became a Little Medical Fairy

In the parallel world, is every "I" me? Is every "she" a she? His lover passed away due to illness, and Lin Feng missed her so much that he tried his best to achieve "travel" and find "her". "Her cousin" looked almost exactly like him, so Lin Feng became a substitute for "cousin" and "she" fell in love with him. But "she" also has a cousin with a weird personality... Who is the person he is looking for? Also, what is this "medical fairy" system? He transformed from a ragged homeless man into the most popular figure in the village in the blink of an eye. As a result, he took root in the countryside, practiced medicine, farmed, embraced the beauty, and lived the pastoral life that everyone longed for...