Ep. 1: Kei receives a perplexing letter from Sumire and encounters Misora who resets time.

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Kei is confused after receiving a letter from Sumire. He meets Misora instead of Sumire, who then resets time. This leaves Kei with more questions than answers. The events create a sense of mystery and confusion for the protagonist as he tries to understand the situation. The interaction between Kei and Misora plays a central role in the unfolding narrative. The time reset adds an element of unpredictability to the story. Kei's reaction to these events highlights his perplexity. The source material provides a concise overview of these key plot points without revealing further details.