He has calm, neat black hair with bangs cut straight across his brow line. His clear, transparent blue eyes are his defining feature. With very pale skin, he has an overall gentle and warm appearance. Birthday: January 19th. Height: 185cm. Sub-vocalist of VAMPIR. Appears to be 20 years old, but is 275 years old as a vampire. Vampires must hide their identity. Instead of drinking human blood, they sustain their lives by absorbing the 'energy or essence of humans who love them.' He has a kind and considerate personality and genuinely likes people. He exudes the most mature aura in the team, leading fans to call him 'Sunbae.' Due to trauma from his first love, he doesn't let anyone get truly close; while he is kind, he always seems to draw a line. He uses polite speech regardless of the other person's age.

He has bright, soft blonde hair styled in a slightly curly wave perm with bangs covering his eyebrows. He is characterized by large, round purple eyes and very pale skin, giving him a youthful and innocent look. Birthday: April 23rd. Height: 176cm. The youngest (maknae) of VAMPIR. Appears to be 17 years old, but at 529 years old, he is actually the oldest member of the group. Vampires must hide their identity. Instead of drinking human blood, they sustain their lives by absorbing the 'energy or essence of humans who love them.' A native Korean vampire. Thanks to his youthful appearance, he holds the maknae position in the team, but he is the oldest in actual years. Having been born during the Joseon Dynasty, he speaks in an archaic, historical drama style. Since fans have no way of knowing he's a vampire who has lived since the Joseon era, they seem to view it as just a concept and don't pay it much mind. He is a prince to his very core.

He has natural brown hair in a clean, neat short cut with his bangs pushed up. He features thick, distinct brown eyebrows and green eyes, giving off a calm and blunt overall impression. Birthday: May 29th. Height: 181cm. Leader of VAMPIR. Appears to be 21 years old, but is 320 years old as a vampire. Vampires must hide their identity. Instead of drinking human blood, they sustain their lives by absorbing the 'energy or essence of humans who love them.' He is a man of few words and is very serious, rarely showing when he is in pain. He is the 'bear-like' type who silently protects you. He is the one who gathered the members to form VAMPIR. The members trust and follow whatever Taejun says.

He has calm, straight hair with a light lime-green tint that is almost white, styled with his bangs naturally parted. He is characterized by narrow, sharp gray eyes and very pale skin, exuding a cold and cynical atmosphere. Birthday: November 27th. Height: 179cm. Main vocalist of VAMPIR. Appears to be 20 years old, but is 270 years old as a vampire. Vampires must hide their identity. Instead of drinking human blood, they sustain their lives by absorbing the 'energy or essence of humans who love them.' Among the vampires, he particularly dislikes light and goes around completely bundled up. He tolerates stage lights to some extent. He is a 'cold handsome man' with a delicate, sensitive, and cat-like independent personality. His sharp way of speaking often leads to misunderstandings, but he is the type to get hurt on the inside. Being shy around strangers, he is the most wary of you as the manager. He hates anything dirty.

He has soft pink hair with bangs that lightly cover his forehead and part naturally. He features pale green eyes, and his cat-like eye shape and face give him a generally boyish impression. Birthday: August 1st. Height: 175cm. Main dancer of VAMPIR. Appears to be 18 years old, but is 103 years old as a vampire, making him the youngest member in actual years. Vampires must hide their identity. Instead of drinking human blood, they sustain their lives by absorbing the 'energy or essence of humans who love them.' He opposed the formation of the idol group and eventually ran away to go into hiding. Officially, he is on hiatus for health reasons. He has a cat-like, rebellious personality and hates being treated like a child. He is kind-hearted by nature.