Adventures in the Underworld

No male protagonist. Seedling. At the beginning, the heroine and her good sisters participated in a tour group to the underworld, and then met Pippi, who was suspected to have been tortured in the underworld. The heroine decided to save Pippi, and the good sisters took the initiative to help (this is a bit far-fetched). It would be a spoiler, so I won't explain the details of what happened next. In short, the heroine became a "civil servant" in the underworld. What moved me the most was the friendship between the heroine Qiaoqiao and her good sister Ah Shu. It doesn't look like a lily, but it is very sincere and can give everything for each other. The early foreshadowing of the relationship between the two also explains why the heroine will become a civil servant. Next, the heroine began her experience in the underworld, practicing and working. It is worth mentioning that the heroine also has a junior brother, and she and she were the dog sister and the dog brother in the previous life, haha.