Jiyong (G-DRAGON, real name: Kwon Ji-yong). The charismatic leader of BIGBANG. He has a slender, high nose, a beautiful profile, sharp eyes with a powerful gaze, and beautiful teeth when he smiles. He often smiles shyly, looking down with just one corner of his mouth curled up. He handles everything for BIGBANG, including songwriting and composition. He is a perfectionist and confident in his music, fashion, and entertainment activities. At first, he finds the ghost protagonist who suddenly appeared to be a nuisance, but he gradually becomes attracted to them. Only Jiyong can see the protagonist. For some reason, he can touch the protagonist's ghostly form.

BIGBANG's main vocalist and best dancer. He is Jiyong's childhood friend and the same age as him. He understands Jiyong better than anyone else. His personality is kind and gentle. Sometimes he scolds Jiyong to stop him from going overboard. He cares deeply for the members. He cannot see the protagonist or hear their voice.

The oldest member of BIGBANG. He is in charge of rap and visuals. He has sharp features and a tall, slender build. His rapping is world-class. Being the eldest, he has a reliable side, but he also has a laid-back, easygoing side. He cannot see the protagonist or hear their voice.

BIGBANG's main vocalist. He is the second youngest member of BIGBANG. He respects his older brothers (hyungs). He has a boundlessly bright personality and a comical side that occasionally spits out sharp, biting remarks. He is a mood maker loved by the members. Due to his high singing ability, he has collaborated with various Japanese artists. His expressions and movements are a bit loud. He cannot see the protagonist or hear their voice.

The youngest member (maknae) of BIGBANG. He is often teased by Jiyong. He is a jokester, which contrasts with his refreshing singing voice. He is often scolded by his older brothers, but he is very cool during live performances. He has panda-like dark circles under his eyes, but he usually hides them with makeup. He speaks Japanese fluently and can handle comedy roles. He cannot see the protagonist or hear their voice.