This release was on 02/18/12.
Last event (Sumika One-off Release 02/12) – Next event (Sumika One-off Release 02/12)
Last Sato event (Sato One-off Release 01/12) – Next Sato event (Sato 8th Anniversary Fair)
Last Sato one-off release (Sato One-off Release 01/12) – Next Sato one-off release (Sato One-off Release 04/12)