Mai-Otome

Season 1

Episode 9: Ocean - Swimsuit + Distress = ?"Umi − Mizugi + Sōnan = ?" (海ー水着+遭難=?)

As a part of the Otome training, Arika's Coral class begins a 100 km hiking trip through Aries. With randomly chosen pairs, the students enter into wilderness, when things start to go wrong for Arika and her partner Erstin.