My Childhood Sweetheart Became the College Beauty While I Repeated Senior Year

One heated argument. One tragic accident. One diary that reveals the unbearable truth. Fang Yuchen thought his childhood sweetheart's obsessive control was suffocating—until he watched her die in front of him. Haunted by guilt and her final diary entries, he discovers he was the one who pushed her to the edge. When he wakes up back in his senior year of high school, he's given an impossible second chance: rewrite their story before it ends in tragedy. Can he save the girl who loved him too much, or will history repeat itself?