Rookie idol group B1A4 recently held a fan signing event in Seoul on the afternoon of July 9th and has been receiving interest from a famous Japanese pop idol star. B1A4 has been receiving attention after a member of Japan's top girl group,Miho Miyazaki of AKB48 Team B recently tweeted about B1A4. Miho Miyazaki posted on her Twitter, "I received the CD of a Korean group named B1A4. Check it out! Their songs give you some kind of strength." She also attached a picture of herself and the CD to the tweet, revealing her interest in B1A4. As B1A4 has been receiving international interest even before their debut, their overseas popularity has been growing. Now that they've received interest from a Japanese idol now, their expansion into the global market seems prime for action. A representative of B1A4's management stated, "The members are very surprised and intrigued that a top Japanese girl group has shown interest in them. We're very thankful for the international fans that continue to show interest and we will work hard to show endless growth as a group". In related news, B1A4's members Baro and Sandeul recently appeared as guests on MBC's "Quiz to Change the World" . [gallery] Source: Newsen