Immortality Begins by Defeating the Young Protagonist

Lin Yuchen traveled to the world of the game "Immortality" and became the dying brother of the protagonist Lin Yuyan. When facing kidnappers, good news, there is a game system. Bad news, breaking the game requires experience, but gaining experience requires defeating the enemy. [You successfully defeated "Jade Sword Fairy" Lin Yuyan. ? ? ? Looking at my five-year-old sister, this system seems... Ten years too early?