"Hello host, I am the retrospection system."
"Backtracking system?"
"Yes, I can take you back in time."
"I think, go back to when I first met him."
"I keep going back to the past, just to let you live well, even if it takes my life to change it."
"Xiaoxiao, people always have to look forward," Bo Yunyuan leaned on the bedside and looked at the girl shrouded in the sun with gentle eyes, "My princess is proud and dazzling, so don't stay in the past, okay?" And forget me.
Intent: Retrospection is short-lived, and the ending is predetermined