Nagisa's family and Honoka go on a camping trip, and Hikari joins them later on. Chuutaro runs away, and the three girls chase after him, only to find Uraganos. They fight him off and return to Nagisa's parents, but they could not go to the waterfall because Nagisa's dad was concerned about the rain. When they visit Akane, they find out that a landslide happened by the waterfall. Intelligen gives Nagisa, Honoka and Hikari some notepads and goes inside the Chairect.
ほのかと忠太郎は、なぎさの家族と一緒にキャンプへ行くことになった。キャンプ慣れしているなぎさのお父さんのおかげで、一同は何不自由なくアウトドアを楽しんでいる。遅れて合流したひかりと一緒に、翌日は滝を見に行くことを決めて、1日目は無事に終わる。ところが2日目、山は怪しい天気に包まれる。
La famiglia di Honoka ha organizzato un gita in campeggio alla quale si aggregano anche Honoka. Hikari intanto rimane ad aiutare Akane con il chiosco. Poco dopo però la ragazze raggiunge il gruppo. Il divertimento viene però interrotto dalle forze delle tenebre.
