"ReLIFE" is a Japanese manga series written by Yayoiso that follows the story of Arata Kaizaki, a 27-year-old man who struggles with unemployment and his past. He is given a chance to relive his high school life for a year through a special experiment, allowing him to experience youth again and make different choices. As Arata navigates his new life, he interacts with various classmates, including Chizuru Hishiro, who has her own challenges. The series explores themes of personal growth, friendship, and the impact of past decisions, ultimately highlighting the importance of second chances.