The midfielder will jet to Spain this weekend to join up with Rob Edwards’ under-23 side as they prepare for the upcoming Premier League 2 season.
Wolves become Dai’s third English club as a professional after stints with Bury and Oxford, who he joined at the beginning of last season
.
He spent some of last season on loan with FC Utrecht in the Netherlands, playing 12 times.
He played nine times for Bury
in League One and scored his first goal as a pro in the Checkatrade Trophy against Fleetwood Town.
Tsun moved to England at 12 to sign for Reading, where he came through the academy before moving to Bury.