She Plays a Supporting Role in a Book, but the Heroine Eavesdrops on Her Heart

Traveling through the book, he became a supporting character who couldn't survive more than a few episodes. In order to survive, he had to stay away from the male protagonist and the villain, but unexpectedly the female protagonist eavesdropped on his voice, and even the male protagonist and the villain were targeting him. I accidentally obtained the salted fish system, and I just wanted to survive until the finale. Unexpectedly, the male protagonist and the villain were getting closer and closer, so I had to resist, but I had no choice but to become the protagonist. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.