After Becoming a Cannon Fodder Supporting Lady, I Got a Happy Ending with the Heroine

Someone wrote a story with a similar premise, so I'm not continuing this one. Jiang Yuanyuan died suddenly after staying up all night reading a million-word melodramatic romance novel. The heroine, Bai Yujin, was a Holy Maiden of the Demon Cult. Though she belonged to the Demon Cult, she was pure and spotless, ethereal as an immortal, peerlessly beautiful, and utterly saintly. She attracted a whole host of top-tier men, including the leader of the Martial Alliance, the Demon Cult's leader, and a Buddhist holy monk. They all fell for her and fought over her in a battle royale. In the end, she went dark, fell into demonic ways, and had her eyes and heart carved out. In short, there was physical and emotional torment, and melodrama everywhere. Jiang Yuanyuan clutched her heart and sobbed over the tragic plot. Then she had a heart attack and transmigrated! By sheer coincidence, she transmigrated into the novel as Jiang Yuanyuan, the vicious, perverted cannon-fodder villainess who shared her name, and found herself staring into the eyes of the heroine she was about to kill! Jiang Yuanyuan hugged Bai Yujin and took a huge sniff: "My precious girl! Mommy loves you!" Then she felt her girl's flat chest, and lower down... Bai Yujin: ... Jiang Yuanyuan: ...Hello, is this the police? There's a pervert here! The leader of the Martial Alliance: "Jiang Yuanyuan! You again! Let go of Jin'er and let me handle this! Otherwise, I'll raze your Hehuan Sect to the ground!" Hey, hey! You, you dog of a man, open your eyes and look properly! I'm about to be scared to death by this pervert! The Buddhist holy monk: "Amitabha. Benefactor Jiang, your heart is beset by demons. Please come with me so I can rid you of them." I can eat, sleep, and live off a fortune. You're the one with demons in your heart! The Demon Cult leader (smiling wickedly): "Dear Yuanyuan, let her go. Since you love me this much, I suppose I'll have to give in to you~" Give in to your horse! Later, the "heroine" and I got our happy ending. A beautiful cross-dressing male lead x a probably lazy, timid, useless female lead Theme: