Nishimura & Asahi and Simpson Thacher & Bartlett are advising U.S. private equity firm KKR & Co on its plan to take Japanese system developer Fuji Soft under a management buyout worth about 600 billion yen ($4.09 billion).

Mori Hamada & Matsumoto is advising Fuji Soft.

Reuters cited the Nikkei newspaper as saying that Fuji Soft is planning the buyout to improve its capital efficiency amid ongoing conflicts with its major shareholders, including Singapore-based 3D Investment Partners.

Reuters added that a special committee appointed by Fuji Soft, consisting of its external board directors is considering value-maximising options, including the privatisation plan.

The special committee is being advised by law firm Shiomizaka.