This event started on 07/30/11.
Last event (Sumika One-off Release 07/11) – Next event (Kobe Dolpa)
Last Sumika event (Sumika One-off Release 07/11) – Next Sumika event (DD Fest in Akihabara)
Last Sumika anniversary (Seoul Sumika 7th Anniversary) – Next Sumika anniversary (Hiroshima Sumika Renewal 1st Anniversary)