So a guy who developed no social skills starts bullying a girl he develops a crush for. Only after being confronted he noticed his absurd train of thought and seems regretful.
Bash his skull in with a brick, such scum can not be allowed to live. /s
I think the author misunderstood what kind of villainess-as-protagonist are liked nowadays. New antagonist is more of heroine-as-antagonist, the one which villainess would expose as kinslayer in climax of the story.
Are Chinese story trends different, i.e. forcing half-sibling to commit suicide...