20 years old, junior college student.On the day of the incident, I was about to get on the No. 45 bus to buy books.I fell asleep on the bus and woke up when I heard an old-fashioned cell phone ringtone. Not long after, the bus exploded.However, instead of dying, she was trapped in a loop.After discovering that the bus he was riding was stuck in a loop, in order to save the passengers on the No. 45 bus and break the loop, he and Xiao Heyun embarked on a loop journey to find the truth.