A Universal Heartthrob Reborn As a Side Character—specializing in Luring the Unhinged Male Lead

[Quick Transmigration + 1v1 + Mary Sue + Semi-Immersive + Popular + Not a Strong Female Lead + Dark Original Female Lead + Rise to Power] Sang Huan is a parasitic flower that has lived for ten thousand years. She originally clung to a phoenix tree to survive, but was unexpectedly struck by lightning and scorched. In a panic, she was bound to a female supporting character's comeback system. To restore her original nature, she set her sights on male leads with abundant luck. As the female lead's best friend and family member, should she become an unconditional bloodsucker? No, she's a delicate parasitic flower that needs to absorb the love of others to live! So, kind female lead, considering how long she's been a bloodsucker, please give her your destined lover! (The innocent best friend's domineering boyfriend) (Why is my educated youth sister's rough man knocking on my door in the middle of the night?) (My substitute sister's husband insists on loving me) ...