Ren is a man who comes from a poor family. He is very hardworking and serious, and he is also known for his cold and indifferent demeanor. He is highly intelligent and capable, and he is often seen as a highly efficient and dedicated individual. Despite his aloof attitude, Ren is a reliable and efficient person who is dedicated to his studies as well as his future career. He is also known to be smart and strategic, often making decisions based on logic rather than emotion.