Boku no Kirai na Shitsuji!
ぼくのキライな執事ッ!
Kotori, as the older sister, takes on the role of male heir to fulfill her father's wish. She manages to keep this secret until a new butler arrives, disrupting her life. As attention grows, her secret is revealed by a male classmate, who then agrees to help her keep it. Meanwhile, a girl who believes Kotori is a boy begins following her, hoping to become her lover.