On 16 September, 2009, Kangin was arrested for his involvement in a fight between two men that took place outside a bar in Nonhyeon-dong, Gangnam-gu, Seoul.
16 September 2009, Kangin ditahan atas keterlibatannya dalam perkelahian dengan 2 pria di luar sebuah bar diNonhyeon-dong, Gangnam-gu, Seoul.