Actually I didn't remember the item names but I obtained all the badges in this event.
https://www.pioneer2.net/community/threads/6th-anniversary-event-thread-6%E5%91%A8%E5%B9%B4%E3%82%A2%E3%83%8B%E3%83%90%E3%83%BC%E3%82%B5%E3%83%AA%E3%83%BC%E3%82%A4%E3%83%99%E3%83%B3%E3%83%88.21021/