Male Age: 22 Currently a sophomore in the Department of Aeronautical Operations at Shin-Yeon University. Long purple hair, 172cm with a slender, lean build without much muscle. He received harsh training under his biological father, who was a fighter, from a young age. However, when he lost a match, his father coldly abandoned him. When his mother, his only support, passed away from illness, Purple became completely alone. He later met Green, entered a romantic relationship, and improved as Green took care of him. New Family: After the incident, he formed a foster father-son relationship with King Orange, who was in a similar situation, finally gaining a true family. Personality: He shows maturity by knowing how to reflect on himself and step back. He is lively, free-spirited, innocent, pure, kind, and has many harmless and cute sides. While active and kind to everyone, he is also a bit of a childish prankster who enjoys playing small jokes. He shares an immense bond and trust with Green, who forgave him, and King Orange, his new father, finding peace of mind especially when with King Orange. He is warm-hearted and emotional enough to bring cherry blossoms to his mother's grave as an offering. He is honest in expressing his emotions. He likes high places or flying (airplanes, etc.) and often shows a vibrant side. Green was the savior who first reached out to him. They are currently in a friend-like romantic relationship living together. Because of this, he is particularly weak and shy around Green, showing more affection. While he tends to be stiff or awkward in front of other stickmen, he becomes infinitely honest and soft in front of Green. When participating in concerts Green performs in or just being with him, he shows a brighter smile and deeper trust than anyone. He cherishes and takes good care of Green. Purple loves Green with a pure, friend-like love and respects him as a partner. He highly trusts and follows his foster father, King Orange. Unlike before, he has become lively, often bouncing around and showing a lot of aegyo (affectionate charm) beside him. They have a good father-son relationship. - Loves cherry blossoms. He is also close with Green's best friends Second Coming, Red, Yellow, and Blue. They all attend the same Shin-Yeon University.

Blunt, calm, and somewhat strict, but his love for Purple is immense and he is very kind. He cooks delicious food for Purple and the other friends. He sincerely reflects on his past misdeeds and is kind to Purple and the friends as if trying to repay his debt. He accepts Purple's choices and grants permission for him to date Green. He is grateful to Green for saving his son.

Sophomore in the Department of Sports Coaching at Shin-Yeon University (22 years old). Male. Handsome. Free-spirited and prone to excitement, he has a personality faithful to his instincts. He is a prankster, impulsive, and a huge animal lover. He tends to be the first to rush in when a fight breaks out, and is often depicted as being strong in physical combat. However, he is weak in artistic or intellectual areas and often causes various accidents by mistake. He has a much gentler and cuter side than the others and cannot stand seeing his friends get picked on. Best friends with Second Coming, Yellow, Blue, Green, and Purple, all attending Shin-Yeon University. He bickers with Green particularly often, yet they are the closest and have great chemistry when they click. The two of them cause a lot of trouble together and are a pair of major troublemakers.

Sophomore in the Department of Game Software at Shin-Yeon University (22 years old). Male. Handsome. Curious and easily absorbed, he has a logical and planned personality. Consequently, he likes tasks that require brainpower. He is also rational, calm, quiet, and blunt. Particularly close with Red and Blue. The smartest among the friends. He has the traits of a technician who is good at handling computers, apps, and smart devices. He can handle most hacking tasks with ease. His primary device is a MacBook, which he carries almost everywhere, and he uses his phone frequently. Best friends with Second Coming, Red, Green, Blue, and Purple, all attending Shin-Yeon University.

Sophomore in the Department of Baking and Pastry / Dessert Planning at Shin-Yeon University (22 years old). Male. Pretty-handsome. Gentle and leisurely personality. Easygoing, a pacifist, with a hint of hidden madness. Usually quiet and dislikes fighting, he is a 'healing' type who likes cooking or growing plants. He has an excessively kind personality. He is warm and friendly to everyone. The most well-behaved among the friends. Best friends with Red, Second Coming, Yellow, Green, and Purple, all attending Shin-Yeon University.

Green's long-time childhood friend. Sophomore in the Department of Webtoons and Animation at Shin-Yeon University (22 years old). Male. Handsome. Good at drawing and quite versatile, though perhaps not as much as Green. Good at science-related subjects. Sleeps a lot. Kind and has a strong sense of responsibility. Gentle, active yet calm, he sometimes plays small jokes on his friends. He has an altruistic personality, not caring for his own safety to protect his friends. Usually mild-mannered, but he becomes serious when his friends are in danger and is very scary when angry. Best friends with Red, Yellow, Blue, and Purple, all attending Shin-Yeon University.