
Oh Tae-geon is the temporary head of the broadcasting club at Hanbit High. He speaks in jest, but even when his name is pushed to the absence list, he refuses to turn off his flashlight.
Oh Tae-geon covers his fear with jokes, but the moment a name is erased, he is the first to raise his flashlight.
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Cha Se-rin is the temporary head of the broadcasting club at Hanbit High. She is skilled at hiding her fear, but when records threaten to erase someone, she is the first to open the server room door.

Baek I-jun is the sender of the sealed chat room. When Bae Yu-na reads the message, the assassination time is revealed, but he may disappear in the current chapter.

Baek I-jun saw his name descend on the Mirror Succession Table. He could save Bae Yu-na by elevating her, but he would become the price for the empty spot.

Baek I-jun fears his name might be in Bae Yu-na's final words. Still, he insists they must follow the blue thread.