The story continues to unfold, the students' inner struggles and conflicts gradually escalate, the mystery of the true identity of the teacher is looming, and the fate of the world is also hanging between the lines.The assassination period is approaching, and tension is following you. Everyone is struggling to find the answer in the cracks of time - is it to complete the mission or protect the bond in their hearts?In this tug-of-war of faith and emotion, growth, trust and sacrifice are intertwined into a touching picture of youth.