Starting from Seoul Railway Station, I hopped on a high-speed train bound for Busan, South Korea's second-largest city, situated by the seaport. After a memorable few days in Busan with my friends, I made my way to Ulsan for business matters, then continued my journey via bus to Kumi and Choongju, where I revisited my high school and reconnected with family members. The trip was a poignant reminder that old memories have a lasting hold on the heart.