According to Record China, Liuzhou Lan Hai technologies Ltd. admitted that they have plagiarized part of Shinkai Makoto's anime movie "5 Centimeters per Second
" for their new anime "心霊之窓 (Window of the heart)". The spokesperson claimed they failed to find out their subcontractor's misappropriation.
Source: Record China
"Window of the heart" has been aired in China since this August and its close resemblance to 5cm Per Second provoked international criticism.
Comparison between "Window of the heart" and "5cm Per Second"