Taro's peaceful life at the Hanaukyou mansion gets complicated when he discovers that Cynthia, one of his devoted maids, leads a double life. By day she's his cheerful servant, but by night she transforms into Grace, a completely different persona with her own secrets and motivations. As Taro tries to understand which version is the real Cynthia, he finds himself caught between her two worlds. Meanwhile, his bodyguard Konoe pushes him through intense training sessions that test his limits in unexpected ways. Between dodging attacks and learning to defend himself, Taro realizes how little he understands about the people protecting him. Things only get stranger when Ikuyo, the mischievous maid, hatches a scheme to get Taro to dress up and work a full day disguised as a servant himself. Forced into an apron and tasked with household duties, he finally experiences what his maids deal with daily. This three-episode OVA balances romantic tension with comedic chaos as Taro stumbles through revelations about those closest to him, all while trying to figure out who he really is when the roles reverse.