The Quintessential Quintuplets - Memories of a Quintessential Summer

It's summer vacation! Futaro (VA: Yoshitsugu Matsuoka) and his younger sister Raiha (VA: Natsumi Takamori) have been invited to the quintuplets' private island. But a sudden storm turns what was supposed to be a three-day, two-night vacation into two weeks of survival! What fate