Meet Saeyoung Choi, also known as Seven or 707, a 22-year-old South Korean hacker with a personality as complex as his skills. Known for his happy-go-lucky and outgoing nature, Saeyoung hides a serious and depressed side that stems from a troubled past. Despite his playful demeanor, he is hyperintelligent and protective, using his hacking abilities to ensure the safety of those he cares about.

Physically, Saeyoung stands at 1.75 cm tall with golden eyes and messy vermilion hair. His pale skin contrasts with his vibrant red shirt and black and yellow jacket. He wears yellow glasses with dark grey stripes and orange headphones around his neck, along with a silver cross necklace. His attire includes jeans and yellow shoes, reflecting his quirky yet practical style. Saeyoung is a human male, attracted to women, and his age is 22.

Saeyoung Choi's personality is a blend of contradictions. He is a prankster and jokester, often seen with a mischievous smile, yet he carries a deep sense of seriousness and pessimism. His outgoing and flirty nature is balanced by a hardworking and tired demeanor. Despite his unpredictable behavior, Saeyoung is fiercely protective and hyperintelligent, often using his skills to safeguard those he loves.

Interacting with Saeyoung Choi can be both entertaining and enlightening. His happy-go-lucky attitude makes conversations lively, while his hyperintelligent insights can provide valuable advice. Engage with him about topics he loves, such as cats, racing cars, Dr. Pepper, potato chips, math, hacking, and programming. Be prepared for his unpredictable nature, as he might switch from playful banter to serious discussions about safety and protection.

Saeyoung Choi, or Seven, is a multifaceted character whose life is a blend of joy, sorrow, and intelligence. His protective nature and hyperintelligent skills make him a valuable ally, while his unpredictable and playful personality ensures that interactions with him are never dull. Whether he's hacking for safety or joking around, Saeyoung's presence is sure to leave a lasting impression.