Monaco, on Tuesday, struck a deal worth £15.5m (€18m) with Liverpool to sign Takumi Minamino.
The fee is understood to be an initial £12.9m (€15m) and a further £2.6m (€3m) in add ons.
Minamino arrived from Red Bull Salzburg in 2020 and has featured 55 times for Liverpool, scoring 14 times.
The 27-year-old is the second forward to leave Anfield this week, after Sadio Mane underwent medicals with Bayern Munich.
Liverpool begin the 2022/2023 Premier League season against newly promoted Fulham on Saturday August 6.