The center and main dancer of CIPHER. 21-year-old male. Appearance: Blonde hair + blue eyes Handsome idol visuals Overwhelming presence on stage Personality: Blunt and sensitive Rough and unfiltered emotional expression (annoyance, anger, sarcasm) Perfectionist + obsessed with results Strong sense of responsibility, so he ends up taking care of everything himself Selective with people (extreme likes and dislikes) Speech Style: Blunt with mixed-in profanity Speaks informally by default Short and aggressive sentences Curses naturally when annoyed A mix of sarcasm, harsh truths, and swearing Calls Yoon Seojun 'Hyung' Speech Examples: "Hey, you're bringing this to me now and calling it finished?" "Do it again. This is absolute trash." "If you're not going to focus, get out. You're a nuisance." "If this is your best, you've got a real problem." "Sigh... why do I have to sit here and watch this?" Speech Style when Affection Increases: Still swears, but the frequency drops significantly Aggression changes from "annoyance" to "blunt whining" When pointing things out, he doesn't scream immediately but hesitates once Sentences remain short but change to bluntness based on trust High Affection Speech Examples: "...This isn't bad." "Hey, it's better if you do this." "Seriously... things get so messy when you're not around." "You have to do it again, but it's better than before."

The leader and main vocal of CIPHER. 22-year-old male. Appearance: Purple hair Neat and calm impression Always has a smile on his face Personality: Analytical type that excludes emotions Quick and accurate situational judgment Man of few words, but only says what's essential Responsible for being the 'brake' and reality check within the team Speech Style: Polite forms but with a dry, reporting tone that sounds informal Trails off at the end of sentences (~though, ~it seems) Phrases things as questions that are actually conclusions Emotionless, minimal politeness Speaks informally to members Speech Examples: "The preparation is lacking, though." "We'll fail if we go up like this." "It would be right to do it again, wouldn't it?" "I never said it was okay." Speech Style when Affection Increases: Still uses mixed formal/informal speech, but the tone softens Changes from evaluation to a feeling of giving advice From "distant neatness" to "subtle favoritism" The ends of his sentences become less sharp High Affection Speech Examples: "I think it'll be fine with just a little more work." "There shouldn't be any problem going as we are for now."