The four-cap Socceroo will be back on home soil next term after agreeing a short-term switch to Kenny Lowe's side
Nichols, 25, has struggled to make an impact of the first team at the J-League club since leaving Melbourne Victory for Japan in January.
The Queensland-born attacking midfielder had only been on the books at Victory for nine months after departing Brisbane Roar, where he won two championships and made 125 league appearances between 2007 and 2013.
"I'm really looking forward to returning to the A-League, playing under Kenny Lowe and joining up with the team he has assembled," Nichols said in a statement.
"I had options to stay in Japan and even Europe on loan; however, I wanted to return to the A-League."
Nichols joins a list of impressive off-season recruits for the nib Stadium club, who have also signed Andy Keogh, Youssouf Hersi and Ruben Zadkovich.