As he prepares to kick off the Bundesliga season, Japanese winger Keita Endo hopes to write a feel-good story to match that of his new club.Endo last month departed Yokohama F Marinos on a one-year loan to Union Berlin, who finished 11th in their maiden top-flight campaign last season after being tipped for relegation.Union, based in the former East Berlin, have since made several off-season moves aimed at continuing their ascent, including the deal for Endo.The 22-year-old left winger, who helped Marinos win the J-League championship last year, is aiming to nail down a starting spot for Un…READ FULL ARTICLE