As the dungeon environment became more and more high-pressure, the team's shortcomings became more and more prominent, and everyone looked at the only support in the team. However, instead of succeeding, they almost perished, and they began to miss Simon's days. When they catch up with the door again, they find that Simon has become the auxiliary core of the new era, and then they begin to regret it. "Simon, you'll be back, right?" "Have you forgotten the vows we made?" "We need you so much right now...... Please give us another chance, okay? [Elements of this book: the day is light, the team is retreating, chasing backwards]