第 6 集: 火山口內吞噬生命力的龍威脅著島民，而四谷與鳥居則倉皇逃竄。
2021年8月14日 播出
The threat of the orcs has passed, but a dragon hanging out in the caldera brings a new threat to the island. It appears to be sucking the life force out of the islanders to store up energy, but it would be suicidal to try to attack it head-on. While fleeing, Yotsuya and Torii stop to help one islander... (Source: Crunchyroll)