SPRD-1476 - My stepmom is my former teacher, and she knows I'm watching

After his parents divorced, he secretly harbored feelings for his kind teacher. Years later, his father brings home a new bride—none other than that same teacher. While living together, he accidentally witnesses his father and stepmother intimate moments and secretly records them. One day, while he's watching the video, his stepmother catches him, smiles, and begins to seduce him, taking matters into her own hands.