Orika Izayoi, a top-level alchemist who is so shrewd and cunning that she will never let herself suffer, unexpectedly encounters a husky who loves to "glare".
Just because she kindly gave him a piece of meat, this naturally black dog became dependent on her. At the critical moment, he could transform into a handsome black-haired man, holding a pair of swords and swearing to protect his master...
Later, Shiliu suddenly discovered that it would be nice to have a cute and loyal dog by his side that could be teased and used as a bodyguard~