The Australian international was part of the Fortuna Dusseldorf squad that was relegated from the German Bundesliga in 2012/13 but was in a situation where he knew he was going to be joining Leverkusen at the end of the campaign.
Kruse said that from a team point of view, last season was very tricky, but from an individual viewpoint it was a success as he made his way to the BayArena for around 1.5million.
"For me personally it was a weird situation: On one hand I was sad about being relegated with Dusseldorf, on the other I was looking forward to my move to Leverkusen and playing Champions League," he said.
"I enjoyed myself in Dusseldorf. I'm grateful they gave me a chance. But then I was really looking forward to my new (move to) Leverkusen and the next step of my career."
Since arriving at Leverkusen, the former Brisbane Roar and Melbourne Victory attacking midfielder has made 15 Bundesliga appearances for two goals for a total of 21 outings and three goals for die Werkself.
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