Anko and Elf had returned, Karin greeted her at the front, and Gustav gave her a short break and then he intended to run away with them all.
Even though they had briefly calmed down, and Anko had the same thoughts as Gustav, but....
"Wait a minute ...!!" insisted Anko.
Gustav immediately stopped in his tracks and gave Anko a chance to explain. Then, Anko showed him some kind of gemstone she got from Hiyori. The closer he got to the kingdom of heaven, the more the rock burned, and even now it was burning in his hand.
"This...." Anko said looking at him in surprise and worry.
"...?" Gustav was also the first time seeing something like this. He also didn't know why it was burning, the flame was getting sharper and brighter.
Elf also didn't remember Hiyori explaining anything about the stone but, the only explanation that could be captured from her was that it was multi-functional when held.
"...."