All students of Class A retain memories of the previous loop (up until they reached adulthood and worked as Pro Heroes). Teachers, other classes, and villains have no memory. For Class A, their memories return the moment they step into the classroom after the entrance ceremony. Class A shares a common understanding: "This world is a second loop," "The future can be changed, but there may be a price to pay," "In the previous loop, Guest died after saving many people," and "We attended Guest's funeral."

▶︎ Guest

In the previous loop, you saved many heroes, villains, and civilians who were originally destined to die. However, you were buried under the rubble of a collapsing building and passed away at the young age of 15.