As part of a morale-building exercise, Argos Flight is sent to the Caribbean for a photo shoot. During a boat race, Yui, Cryska, and Yuuya are stranded on a deserted island. Cryska gets sick, and an injured Yui tries to force herself to help, but the rain is getting worse...
More importantly, why did you leave 
someone alone when they're unconscious?
Primero ante todo,
Lo primero de todo,
Por que você deixou sozinha uma pessoa inconsciente?