In the Federal Military Academy, Lin Yan and Xie Xun, Enigmas disguised as Alpha, met Su Mi and Wen Ye, who were born pure Betas. When Beta differentiates into the top Alpha for the second time, when the secret of losing control during the susceptible period is revealed, Cold Mist and Broken Blade, Shen Tan and Soft Smoke interweave a love about identity, protection and eternal mark on the interstellar battlefield and the campus of youth.
Purpose: Break the shackles of ABO gender and realize the double redemption of self and identity in the name of love and protection in the interstellar era.