Route to Ruin: The Reckoning Awaits

The female protagonist refuses to give up her seat to an elderly couple on the bus due to her discomfort. The old man then sits on her lap, causing a scene and eventually snatches the steering wheel, leading to a bus accident. The old man's daughter, who is also the fiancee of the protagonist's eldest brother, arrives, accuses her of being a mistress, and bullies her.