Tired after a day's work, Nagi decides to take a nap even though Sakuya's birthday party is that same evening. At the party, Aika discovers that Chiharu works as Sakuya's maid. Meanwhile, Sakuya forces an extremely reluctant Wataru to entertain her and her guests; after Hayate and Nagi arrive, Sakuya manages to get Hayate to perform as well. Sakuya introduces her father and younger twin siblings to Hayate. After seeing Sakuya play with her siblings and her father, Nagi leaves. At Café Donguri, Hinagiku asks Ayumu to see the cherry blossoms with her, saying that she needs to talk with Ayumu about something important.
4月3日は咲夜の誕生日。春風千桜は悩んでいた。彼女は泉たちにカラオケに誘われても『あ、私騒がしいのは苦手なんで』とクールに断ったりしているのに、メイドカフェでバイトしてキャピキャピ『ご主人様』とか言っていた。そのキャラの違いが、咲夜の誕生日会に来るはずのハヤテやナギにバレるのを恐れているのだ…!