弟を騙す悪い奴ら!~姉の私が、許さない~

After their parents' passing, Mary supported Allen through his education and career until he became wealthy. However, his girlfriend Amy aimed to drain his fortune. Mary exposed her hypocrisy at a family banquet. Faced with undeniable evidence, Amy denied everything but was still held legally accountable. By ending this toxic relationship, Mary enabled Allen to rediscover himself.