[Stone Era] I Feel Helpless Jumping from the If Line to the Plot Line.

I have four friends. Senku, who has been tinkering with science, has an extremely flexible mind. Tsukasa is super handsome but surprisingly very good at fighting. A big tree who knows nothing about studies but has great physical strength. Gang is gentle and good at handicrafts. One day, the world suddenly lit up with a green light. Everyone turned into stone statues. I watched the tall buildings of human civilization collapse bit by bit. Then I fell into darkness. When I woke up again, my already shaky outlook on life was hit even harder. What? Is there no me in this world? ? What? Si went from being tame as a child to a stranger? ? What? Is the theory of division in this world extremely sick? ? What? … What can I do? I felt helpless jumping from the if line to the plot line. Food guide: 1. First person! 2. Growth-type heroine (probably) 3. Follow the comic plot 4. Ooc warning, ooc apology Concept: It tells the story of the heroine's wonderful journey after jumping from the Stone Age if line to the official plot line.