By FOX Sports staff
Littbarski, a World Cup winner with West Germany in 1990, is well versed with Japanese football given he's had two spells as boss of Yokohoma FC as well as a stint in charge of Avispa Fukuoka.
In recent times, Germany's top flight has been something of a platform for top Japanese players to showcase their abilities, with Naohiro Takahara and Shinji Kagawa both starring during their spells with Hamburg and Borussia Dortmund respectively.
More recently, a new wave has emerged in the form of Schalke right-back Atsuto Uchida, dynamic Nuremberg midfielder Hiroshi Kiyotake, Takashi Inui of Eintracht Frankfurt and Stuttgart full-back Gotoku Sakai.
And Littbarski believes the transition to live in Germany is not as easy as these players have made it look.
"Living here [in Germany] requires quite a process for someone from Japan," Littbarski said.
"It's quite a change, from the food to the traditions and general way of living, everyday human interaction, the way people are raised and educated and the significance of the extended family unit.
"There's a big difference in the mentality, especially when it comes to exercising criticism."
The 52-year-old, who also played in Japan with JEF United Ichihara Chiba and Brummell Sendai (now Vegalta Sendai), revealed he too had to learn to adapt after moving to East Asia.
"I had to learn the hard way myself," Littbarski admitted.
"There were times early on when I'd shout and bawl out on the pitch, for the good of the team of course, but for the Japanese it was shocking.
"Our understanding of what constitutes irony or leg-pulling isn't the same as theirs."
Nonetheless, Littbarski believes it is now getting easier for Japanese players to succeed in Germany, not only because of their on-field ability, but also due to values that are shared among both cultures.
"[Japanese players] are well suited to the predominant style [of] football at the moment," he added.
"Their ability to operate in the tightest of spaces and general mobility, coupled with excellent technique, are all very advantageous.
"They bring total commitment, self-discipline in training and are bent on perfection."
Apart from Germany, Japanese players have also enjoyed success elsewhere in the continent; Inter Milan full-back Yuto Nagatomo and Vitesse striker Mike Havenaar just two others who are currently starring for their European clubs.