In "My Sisters Are Jealous Because I'm a Famous Gamer," the protagonist experiences the challenges of sudden fame in the gaming world, which causes tension with their jealous sisters. As the protagonist navigates their newfound popularity, the sisters struggle with feelings of resentment, feeling overshadowed by their sibling's success. Through heartfelt conversations and shared experiences, the family learns to appreciate each other's strengths and passions. Ultimately, the story emphasizes that true success lies not just in fame, but in nurturing relationships and celebrating one another's achievements.