Fall in Love by Quick Transmigration?

Ling Chu, who died in the fire because of the movie, was claimed to be a 112 system binding from the advanced world, responsible for crossing the world to protect the protagonist from three assassinations. Persona introduction: the hero --- Ling Chu's character: sometimes he has a bad tongue to 112, sometimes he treats the protagonist with a soft heart. He doesn't want to participate in complex things, likes a light life, and is cruel to those who hurt the protagonist, sometimes he is confused. Didn't he protect the protagonist three times? How can the system automatically determine that the enemy has completed the task before seeing him? What ghost? What's more, crossing is crossing. How can I still talk about love!