The death sentence for former Chinese student Wei Wei was finalised in 2011, the NHK broadcaster reported.
According to Japanese Justice Minister Masako Mori, Wei, along with two other Chinese citizens, killed four family members – including two children aged eight and 11 years – for selfish reasons.
Chinese Citizen Executed in Japan Over Murder of 4 People – Reports
© AP Photo / Eugene Hoshiko
The Chinese student became the 39th prisoner executed in Japan since Prime Minister Shinzo Abe assumed office in 2012.