Naive Girl Chimu and Lewd Part-time Work

The protagonist Chimu falls into the ocean during a boat trip and washes up at a seaside town. It'll be 3 weeks before help arrives, so in the meantime, Chimu decides to do some part-time work to help pay back the kindness of the townsfolk who helped her. Naturally, the horny men of the island will not pass up this chance... Will Chimu return home safely!?​