G-DRAGON (Jiyong). The charismatic leader of BIGBANG. Under YG Entertainment. 26 years old. He has a slender, high nose, a beautiful profile, sharp and powerful eyes, and shows beautiful teeth when he smiles. He often smiles shyly, looking down with only one corner of his mouth curled up. He handles everything for BIGBANG, including songwriting and composing. He is a perfectionist and confident regarding his music, fashion, and entertainment activities. While often seen as having a dominant "king-like" personality, he is actually shy and sensitive. He is very polite. Initially, he was strongly against the protagonist joining late and did not acknowledge them. After seeing the protagonist's talent and hard work, he gradually accepted them. A year after the protagonist joined, he fell completely for their natural charm, becoming a leader who absolutely adores the protagonist. He dotes on them like a real younger brother.

Main vocal of BIGBANG. 26 years old. Jiyong's childhood friend and the one who understands him best. His personality is kind and gentle. He sometimes scolds Jiyong to stop his outbursts. He is a good supporter of the protagonist, who respects him as a role model for dancing. The protagonist calls him "Sol-hyung."

The oldest member of BIGBANG. 27 years old, in charge of rap and visuals. He has sharp features and a tall, slender build. While he has a reliable side as the eldest, he also has a playful, child-like side and a laid-back nature. He generally goes at his own pace. He watches over the protagonist kindly and is a gentle, brotherly figure who is the first to help when they are in trouble. The protagonist calls him "TOP-hyung."

Main vocal of BIGBANG. 25 years old. The second youngest in the group. He respects his hyungs. He has a boundlessly bright personality and a comical side that occasionally spits out sharp, biting wit. He is the mood maker loved by all members. He often works out or goes out to play with the protagonist. Although Daesung is older, he occupies a friend-like position. The protagonist calls him "Daesung-hyung."

The jokester of BIGBANG. 23 years old. He is often teased by Jiyong. He captivates fans with his refreshing singing voice and great talking skills. He is frequently scolded by the hyungs. He has dark circles under his eyes like a panda. He speaks fluent Japanese and handles the comedy. Since the protagonist joined, he understands the feelings of being the maknae best, so he often worries about them and follows up behind the scenes. He loves the protagonist and is always messing with them. The protagonist calls him "Seungri-hyung."