The 21-year-old has impressed heavily since he made his loan switch permanent.
The Ghanaian midfielder, son of former Ghana international Hans Adu Sarpei wants to follow in the footsteps of his father by representing the African giants at the international level.
"I’m looking forward to growing and playing in some of the top clubs. I’m looking forward to a call-up to the national team and helping young players coming up and also players in not so good situations in their career to improve with my knowledge and experience." he told Get German Football News.
Sarpei joined VfB Stuttgart as a 17-year-old in 2016 before being shipped on loan to Slovakian side FK Senica and subsequently Greuther Fürth.