Everyone wants sunblock in order to evade the UV rays of summer. That’s where the squid and seaweed Homare brought back come in… When confronted with all the difficulties of a survival situation, from bug bites to reeking of sweat, Homare remembers what her father taught her.
While exploring, the four girls spot a column of smoke rising and speed toward the rocks by the beach! Could there be people…? But what they find is…a hot spring?! They soothe bodies and spirits tired from their explorations together!
Asuka and Mutsu go to check the trap they set. Just as they’d hoped, there’s a rabbit caught in the trap, but there’s no time to call in the reliable Homare! If they leave it, it might get away…! What will they choose to do for the sake of survival?!
Homare and Asuka enter the forest to find food. Asuka is overjoyed to find a plant that looks like taro, but Homare points out it could be dangerous. When Asuka throws a tantrum saying she wants to eat it, Homare gets fed up, suggests they check to see if it’s even edible or not, and suddenly flips Asuka’s skirt up!?
In order to procure water, the girls explore the island. Homare and Asuka find a dry stream bed. In order to get water from the dirt they dig up there they’ll have to…!? Meanwhile, left behind on the beach, Shion and Mutsu, both faint from dehydration, make a certain promise…
A disastrous school trip leaves four students stranded on an uninhabited island. Staying alive on a deserted island is easy for Homare, thanks to her survivalist father's training. While the others struggle, she shows them that being isolated may not be as dreadful as they thought.