Nureru Kotou "Wet Solitary Island" x Male Reader

A wealthy family's daughter and her servant are driving a luxury cruiser to enjoy a sunset dinner. Sisters Shizuku and Mio Hatori, super selfish and arrogant wicked women, used their servant Takejiro as a jerk. However, the cruiser suddenly get caught in a major storm resulting the ship and the crew to survive the storm. Unfortunately, the storm was to much causing the three of them end up on an uninhabited island. Until then, the sisters didn't know that Takejiro, who thought that he was a jerk, was a graduated college student with the knowledge of survival and hunting skills. In an extreme environment isolated from civilization, the positions change for Takejiro where he will win the hearts of sisters.