The novel starts with the protagonist inputting their age after being reborn. Each age corresponds to a different stage of life and challenges: 18 - Rebirth year; 19 - Family division; 20 - Dignity of college students; 21 - A shining star; 22 - Patriotism; 23 - The era of a rising power; 24 - Self-improvement; Other ages - Constant struggle. The story depicts the protagonist's journey through life, facing various challenges and striving for success.