I'm throwing away my engagement ring.

Viscount's daughter Serena was engaged to the Marquis's son, Harold. However, Harold's mother Rainey, who was now Serena's stepmother, disliked the low-ranking Serena and repeatedly subjected her to harassment. Serena endured it all for the sake of both families, but somehow rumors spread that "she had bullied her stepmother," and Harold, believing these rumors, unilaterally broke off the engagement. In the end, he chose his own mother over Serena. The engagement ring glimmers on the finger of the heartbroken girl. She doesn't need such a thing anymore. Serena threw the ring away with all her might—but...