Kazuma, a 19-year-old NEET, is summoned to "Asagiri Island," an island rumored to hide pirate treasure. He lands a live-in handyman job at "Kaionsou," a traditional Japanese house converted into a café and women-only guesthouse. However, he soon discovers it is a gathering place for beautiful women with very eccentric personalities...!? Island life, a traditional house full of beauties, and treasure hunting! A rom-com packed with every boy's dream begins now!!!