Plan to Save a Certain Heroine [Quick Travel]

Mary Su was watching a certain show recently. Although it was a lot, it was really boring. Then she was bound by the system that suddenly appeared and traveled through time. The mission is to travel to different worlds and save a certain heroine. ①Sister, a reformer from another world ②Pure girl on campus ③The involuntary female idol ④The brutally captured mermaid sister ⑤A medieval widow who was falsely accused of being a witch ⑥…… Looking at this series of familiar magical labels, Sumari fell silent. Note: This article is 1v1, cp a certain heroine. Because it involves a certain episode, there will be dark descriptions, but it does not represent the author's own views. Please be careful when entering the trap~ Purpose: To contribute our modest efforts to create a harmonious society.