[Crossover] My Family

Protagonist A has a selfish mother, Supporting Character B has a playboy father, Cannon Fodder C has a wicked older brother, Background Character D has a two-faced older sister, and Villain E has a deceitful younger brother. Some of them drive the story forward, some completely transform the people around them, and some hold them back at every turn... But one day, they were still themselves, and the women were still themselves, yet their "cores" had all been replaced... Theme: Work hard and strive for a bright, beautiful future.