&6allein are going to hold a fan meeting in December.
The fan meeting is titled &6allein Fan meeting 2018 Part of Me and is going to be held at Harmony Hall Zama in Kanagawa on 09/12/2018.
Details on tickets, prices, location and more can be found in the official website (link below).
On another note: &6allein announced this week the release of a new single in 2019. The group released today a short commentary video on it.
For more details on this release, please refer to THIS article.
Source: &6allein official website