Kuu posted on her LINE today:
"千葉２日間！
ほんとに、激アツの日間でした！
MCコーナー楽しかったね！)^0^(
明々後日は、静岡公演！
またねーん！"
"Two days in Chiba!
It truly were two extremly kind days!
MC was a lot of fun! )^0^(
In three days time, there will be the performance in Shizuoka!
See you there!"
No mention of an announcment - so it probably was the goodies.