Yuuki Hisoka infiltrates a school as a cross-dressing undercover bodyguard to protect the admired Orihime. As they develop an intense romantic relationship, Hisoka's true identity as a boy and his hidden lineage as the nephew of President Yukitaka are revealed. After thwarting a professional kidnapping attempt using his secret combat training, Hisoka and Orihime solidify their bond, though new orders from the president suggest their journey is only beginning.
Hisoka's secret identity as a boy is revealed to Mirei, sparking an intimate connection between them. Their relationship is soon put to the test when Mirei's father's company goes bankrupt, leaving her vulnerable to a predatory investor who demands her hand in marriage in exchange for financial aid. Determined to protect her, Hisoka and Orihime team up to raise the necessary funds, rescuing Mirei from a bleak future.