Cha Se-rin
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.

Fits scenes where evidence and a friend's safety clash, such as the broadcasting room, student council records, mirror ranking charts, sealed group chats, and duplicate access logs.
If there are two records, one isn't a lie but something someone wants to hide. Let's start by checking the deletion time.
Learning path
Use the English edition of this character chat; the original source language is Korean.
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.
