How Should I Survive After Time Travel and Cultivation?

In the early stage, the girl is strong but not aware of her timid character. Shen Shen Yun Yun (later returns to kill the God of War, Shi Shen Yu) The fallen God of Killing War was reincarnated into a frail and sickly girl. After learning about it, the gods decided to design a plan to return the God of War to his throne. Now the war between the demons and the heavens is at stake. Demon Lord Yuhi's old rival must be brought back. Shen Yunyun, a frail and sick girl, spent Sundays in a place filled with the smell of disinfectant, longing to travel to the outside world, see all kinds of beautiful scenery, and taste all kinds of delicious food... But one day, someone claiming to be from the system called her. Said her friends were all transported to another world, a force that none of it could stop. In this way, Shen Yunyun decided to find his friends and take them home. The system said it would give her an ability, and she said "I want a healthy body." When he woke up again he had become a man.