第10話: 夏目が合宿で旅館に滞在する一方、マスクを収める神社が洪水に襲われる
2017年6月14日 放送
Natsume travels to an inn for a study session with the rest of his class. While he's there, a flood washes away a local shrine. The shrine is said to house three masks, but Natsume can see four... (Source: Crunchyroll)