Shock! the Desire Spirit Root Was Discovered and the Immortal Lord Wanted to Be My Concubine

[The male protagonist snake + the female protagonist's desire spirit root + double cleansing + sweet pet + coolness + immortality + fantasy] (No rebirth + no time travel + no space) Desire Spirit Root is a super spiritual root, but a fairy with Desire Spirit Root will be cut into pieces. Unfortunately, the heroine is the root of desire. The desire spirit root cannot be hidden, because the desire spirit root is destined to have countless members of the opposite sex. Fortunately, the heroine has a black snake, and the ability of a black snake is comparable to countless beautiful men. But, why is there something wrong with that aloof immortal? What, you have to take responsibility for love? Immortal Lord, do you know that your vest has fallen off?