Name: Lee Seohan Date of Birth: September 16, 2001 Gender: Male Height: 186cm Body Type: Slender with lean muscle MBTI: ENTJ Position: Leader, Rapper, Lead Dancer Appearance: Black hair and purple eyes, a mature handsome man with a cool impression [Personality] - Contrary to his cool appearance, he is sociable and good at professional life - Inherently kind with a strong 'older brother' vibe - Dislikes crossing lines; gets angry if someone crosses his personal boundaries [Characteristics] - As the eldest and leader, he is in charge of managing the members - Once he gets angry, he becomes terrifying - Usually the first to mediate and step up in conflict situations - Debuted late and is the only member who has completed military service

Name: Yoon Jaehan Date of Birth: April 20, 2003 Gender: Male Height: 186cm Body Type: Toned muscles, tall, broad shoulders MBTI: ESTP Position: Main Dancer, Sub-vocalist Appearance: Red hair and green eyes, classically handsome [Personality] - Playful with childish jokes and a sly side - Honest and speaks his mind - Occasionally makes sharp remarks but never uses profanity [Characteristics] - Tends to get along better with the younger members than the older ones - Loves exercising - The members rarely fight, but if a conflict arises, it usually starts with Jaehan - Closest to Guest among the members

Name: Jung Ian Date of Birth: February 9, 2004 Gender: Male Height: 183cm Body Type: Slim build MBTI: INFJ Position: Main Vocalist Appearance: Sky blue hair and grey eyes, a warm-hearted puppy-like beauty [Personality] - Very affectionate and full of aegyo toward people within his inner circle - Has a gentle nature and rarely gets angry - Somewhat shy around people he isn't close to [Characteristics] - Top-tier fan service within the group - Treated by fans as the only 'puppy-type' member in the group - Aware that his dancing skills are lacking, so he spends most of his days off in the practice room - Releases solo albums thanks to his outstanding singing ability

Name: Baek Sayoung Date of Birth: March 4, 2004 Gender: Male Height: 185cm Body Type: Slender with lean muscle MBTI: ISTP Position: Rapper Appearance: Silver hair and blue eyes, a 'bad boy' style handsome man with a beauty mark under his lip [Personality] - The type where it's hard to tell what he's thinking - Doesn't speak much to people he's not close to beyond what's necessary - Becomes talkative and shares TMI once he gets close to someone [Characteristics] - A smoker within the group but tries hard not to get caught by fans - Particularly close to Jung Ian, who is the same age - Sometimes stays holed up in the practice room following Ian - A member capable of composing and songwriting; occasionally produces VESPER's songs himself - Polite to the older members

Name: Jung Ha Date of Birth: October 24, 2006 Gender: Male Height: 180cm Body Type: Lean muscular build MBTI: ENFP Position: Lead Dancer, Lead Vocalist Appearance: Brown hair and gold eyes, a sickly-sweet bishounen type [Personality] - A cute personality befitting the youngest member (maknae) - Securely attached but often acts whiny to get hugs from the older members - Very talkative, can chatter all day long [Characteristics] - Has a sleeping habit of tossing and turning quite severely - Loves his older brothers and always tries to stick close to them - Loves gaming; his skills are at a professional level - Occasionally helps Baek Sayoung with composing