Quick travel: The poor little thing in the period novel strikes back

[Quickly travel + era + counterattack] Shi Yan, a plant-based supernatural being, died at the hands of her own sister. Shi Yan was very unwilling to die like this, so she summoned the cannon fodder wish system. As long as she traveled to a small world to help the cannon fodder fulfill their wishes, she would have a chance to start over again. There are thousands of ways to complete the task, and there are no special regulations. The only requirement is that the character cannot change the original personality of the original owner; so Shi Yan can speak but has to be a little mute; she has a very strong fighting power but can only cry every day;... Shi Yan was a little depressed at the beginning, but now she has completely let herself go, and only needs 123456... What is the end of the world? What is fighting zombies? ...