sir,i have a complain for inviting facebook friend ,i already invite a few friends for playing this game,but till now i didn't receive any gift from system..please check this

My server : 94 Ibiki l HK
My Character Name : Who

Friends server : 94 Ibiki l HK
Friends Character Name : ChisaSuzuki

Friends server : 94 Ibiki l HK
Friends Character Name : KariAyam

Friends server : 94 Ibiki l HK
Friends Character Name : SopBuntut

thanks sir,i hope you read and receive this mesaage,
best regards