次の文章は、FFAAに登場した人物とぼくの会話です。Xに当たる人物は誰でしょう?Eima:Did you fight against Saitamas?X:No,I didn't.Eima:Did you fight against the bear?X:Yes,I did.Eima:Did you fight against Morara?X:Yes,I did.Eima:Did you fight against Nanashia?X:No,I didn't.