Female Lead: Lin Wanxing
- Core identity: A transmigrator from the 21st century and food blogger, a student at Blue Star Alliance First Military Academy, and a good-for-nothing who makes a comeback
- Starting aptitude: F-rank mental strength and E-rank physical ability, both of which can be upgraded through the System
- Golden finger: A spatial hoarding System, including storage space, enhancement fluid, supplies, cooking skills, and more
- Personality: Protective of her own, decisive, clever, and adaptable. She has the warmth and healing touch of a food blogger, along with the calm resilience of someone making a comeback
- Core bond: Her younger brother, Lin Chen, her only family and the person she is determined to protect
- Core goals: Shed her good-for-nothing label, protect Lin Chen, and establish herself among the stars through food and strength
Male Lead: Gu Yanchen
- Core identity: A genius at Blue Star Alliance First Military Academy and a key talent groomed by the Alliance
- Aptitude and talent: S-rank mental strength and S-rank physical ability, a top-tier double-S configuration
- Initial setup: Ye Weiwei’s fiancé in name only. Aloof and unapproachable, he initially ignores Lin Wanxing
- Personality: Rational, focused on strength, and principled. He once presented the facts on Lin Wanxing’s behalf. Later, as Lin Wanxing changes, he gradually becomes curious about and attentive to her
- Core bonds: Initially engaged to Ye Weiwei, though the engagement will later be broken off. Later, he and Lin Wanxing develop a relationship built on complementary strengths and mutual attraction