Bears coach Mal Meninga is confident he can get the 28-year-old to play the football that led to his breakout 2025 season where Shibasaki made his State of Origin debut for Queensland, won the NRL premiership with the Broncos and played all three Tests in the Kangaroos' 3-0 Ashes series win over England.
Brisbane wanted to keep Shibasaki, known as "Gem", but due to salary cap pressures and a drop off in form were only prepared to offer him $300,000 per season.
The Bears, who will become the NRL's 18th team in 2027, upped the ante and Shibasaki is set to earn $1 million across his two seasons, the biggest pay day of his career.
Meninga said Shibasaki, who has Torres Strait Island and Japan ancestry, had been on his radar "for some time" and would be a valuable asset.
"He is a Test player who will add a new dimension to our backline. He is large, strong and has big-game experience that will be invaluable," Meninga said.
"Most important of all, Gehamat has the character and personality that the Perth Bears are looking for.
"He has persevered for a long time and ultimately that led to success. I'm excited to welcome him and his family as part of our squad."
Shibasaki proved his many critics wrong last year when he started the season without an NRL deal. He secured a train-and-trial offer at the Broncos, shone in the pre-season and ended up with a new NRL deal and a premiership ring.
"It's an honour to have the opportunity to play for the Perth Bears in their first season," Shibasaki said.
"I believe in Mal's vision for the club and I'm excited about the opportunity to play for him and the club next year."
Shibasaki has played 68 NRL games in a journeyman career that led him from Brisbane to Newcastle, North Queensland, South Sydney and finally back to the Broncos.
The Bears also announced on Thursday the signing of Fiji international Jope Rauqe.
Rauqe, 19, played one Test last year in the Pacific Championships and also lined up in a pre-season trial match with Canterbury.Â
The dashing outside back was selected in the NSW U19 team this year.
"Jope is an outstanding prospect who has incredible natural talent and ability," Meninga said.
"He is tall, athletic and an absolute try scorer. He will bring energy and excitement to our squad and can make a real impact."
The Bears are yet to secure a marquee star but the backline is now taking shape with England centre Harry Newman to partner Shibasaki.
Melbourne utility Tyran Wishart and former Canterbury and Gold Coast playmaker Toby Sexton should complement each other nicely in the halves.
Parramatta flyer Sean Russell and Wests Tigers rookie Luke Laulilii give the wings dynamism while Storm star Nick Meaney can cover all outside back positions.
