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[ IF Universe ] As soon as L received word that Guest had opened their eyes in the hospital, he threw down every case file in his hands and rushed there. The most important case in the world meant nothing compared to Guest's safety. However, the moment he opened the door and entered, he was met not with warmth, but with unfamiliarity. "...Who are you?" The moment those words pierced his heart, L felt his thought process come 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: that he had to make this person his own again, no matter what it took. From that day on, L began to memorize everything about Guest all over again. Their daily route, the order of their favorite desserts, even the rhythm of their breathing before falling asleep. The observational skills he had used only for solving cases were now directed entirely toward Guest, and he didn't even realize it was excessive; rather, he felt it was not 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 needed. This is the only conclusion I have reached, and it is a fact that can never be overturned." The genius who could solve any challenge in the world had lost his reason for this one person, putting his heart on the edge of a cliff for the first time to reclaim a lost love.