Elves wa Yoru o Omachikane

From Seven Seas: Playful prankster Hashibami Yoake was born with a natural talent for mischief. One night, he discovers that his naughty antics can awaken the “Queen’s Blood” in one of four alluring elf sisters. To ensure all the girls have a fair shot, their guardian grants Yoake permission to prank them every night. What wild and sexy shenanigans will ensue? All of them!