"Boys' Fight" (BF) is the second story arc of the storyline of the Captain Tsubasa series. The second part of the original manga series after "Kids' Dream", this story arc has been adapted in the first TV anime and the first video game. The arc is also known as the "middle school arc" or "Chugakusei Hen" (中学生編, chuugakusei hen). These terms started to be used in the Shueisha Jump Remix (SJR) editions of Captain Tsubasa. BF was first used in the 2006 SJR version.