http://psteamcommunity.yuanyoumao.com/id/schoolkiller/inventory#730_2_7950737475
http://psteamcommunity.yuanyoumao.com/id/schoolkiller/inventory#730_2_8453865234
http://psteamcommunity.yuanyoumao.com/id/schoolkiller/inventory#730_2_8453865237
Go to the link above then join the group and invite all your friends. Once you've done that, come back to this thread and comment "done". Once you complete all the steps in bold you will be added by my main for your reward.

Everyone is added within 24 hours, if you are not added contact me on my main:
http://psteamcommunity.yuanyoumao.com/profiles/76561198011901389