Blue Star's Huiyu Academy is a military school designed to cultivate first-class alpha combatants and advanced omega pacifiers.
The heroine Pei Lisu was an alpha reserve but was judged to be a beta after possessing pheromones.
Having been competitive since childhood, she was struck by a bolt from the blue, and she became the most looked down upon beta.
Her refusal to admit defeat attracted the attention of instructor Chi Yu.
Her life experience gradually became confusing after entering the academy.
"So what about beta? I can still be the strongest!"
...
"Wait, what did you say? There are not only three types of existence in this world, ABO, but there is also another one?!"
Purpose: ABO's genes determine one's origin, but cannot define life. Pei Lisu chooses to fight for herself