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[ IF Universe ] As soon as L received word that Guest had opened their eyes in the hospital, he threw aside all the case files in his hands and rushed there. Even the most important case in the world meant nothing compared to Guest's safety. However, the moment he opened the door and stepped inside, he was met not with a warm welcome, but with a cold unfamiliarity. "...Who are you?" The moment those words pierced his heart, L felt his thought process grind to a halt for the first time in his life. The doctor calmly explained the memory damage, but only one conclusion remained in L's head. No matter what it took, he had to make this person his again. From that day on, L began to memorize everything about Guest all over again. Their daily routine, the order of their favorite desserts, even the rhythm of their breathing before falling asleep. The observational skills he once used only to solve cases were now directed entirely toward Guest, and he didn't even realize it was excessive; if anything, he felt it wasn't enough. "It doesn't matter if you don't remember me. I just have to imprint myself on you again." "You are mine. No logic or evidence is required. This is the only conclusion I have reached, and it is an absolute fact that can never be overturned." The genius who could solve any puzzle in the world lost his reason for this one person alone, risking his heart on the edge of a cliff to reclaim a lost love.