Siblings' symphony

This is my original story as I hope I can turn into a manga been working on it since 6th grade :3
Title: Siblings' Symphony: In the bustling city of Sakura Hills, three siblings navigate the challenges of high school life while balancing their responsibilities at home. At the center of the story is 16-year-old Hiroki, a determined and responsible older brother who takes care of his 14-year-old sister, Aya, and 11-year-old brother, Daichi, after their parents passed away in a tragic accident.As Hiroki struggles to keep his family together, he finds solace in his passion for music, playing the violin in the school orchestra. Aya, on the other hand, excels academically but hides her insecurities behind a facade of confidence. Meanwhile, Daichi, the youngest of the siblings, dreams of becoming a professional soccer player and idolizes his older brother.Their lives take a dramatic turn when they meet a group of classmates who share their love for music and form a band together. Through their shared experiences and the power of music, the siblings learn to overcome their personal struggles, support each other, and pursue their dreams despite the odds stacked against them.As they navigate the ups and downs of adolescence, friendship, and family, the siblings discover the true meaning of love, sacrifice, and the importance of staying true to themselves in a world full of challenges and uncertainties. Together, they embark on a journey of self-discovery, growth, and resilience, creating a symphony of hope and harmony amidst the chaos of high school life.