an Entity references as follows:
Petty Romance (Korean: 쩨쩨한 로맨스; RR: Jjejjehan romaenseu) is a 2010 South Korean 18-rated romantic comedy film about the fiery relationship between an adult cartoonist and a former sex columnist. The film was a moderate hit, selling 2,048,296 tickets nationwide. Lead actors Lee Sun-kyun and Choi Kang-hee had previously starred together in the 2008 SBS TV series My Sweet Seoul.