I have a FC Rank 8 that you can use to swap items between your characters in the FC Chest. The FC is called Yami's Company [Y.C.] and you can swap items in tab 1 of the FC chest, there is also tab 2 and 3 but you need to be promoted to use them. The reason why is so no one can take your items while your switching characters. Just ask and I will promote you. but only one person's characters will be promoted at a time for each tab. Except tab 1 which will be open for everyone. Feel Free to join and leave whenever you want but I do recommend that you leave one character in the FC so you can Accept your other characters Invites.