Let's Lagoon

Sinopsis

Yamada awakens on a deserted island with no memory of how he got there. Discovering his sports bag and a trip schedule, he assumes he was on a school trip. With only seven days of food, he begins building a boat to escape. He believes himself to be alone until he encounters a girl named Imaise Chika, who is also stranded on the island and eating his food. Together, they decide to combine their efforts to survive and find a way off the island.