Akiko Himenokoji is a main character in the anime series 'Onii-chan Dakedo Ai Sae Areba Kankei Nai yo ne!' She is the younger sister of Akito Himenokoji and harbors deep feelings for him, often expressing her love in comedic and exaggerated ways. Akiko is portrayed as a cheerful, determined, and somewhat mischievous girl, whose affection for her brother is a central theme of the series. Her interactions often lead to humorous situations, balancing the romantic tension with light-hearted comedy. Despite her antics, Akiko genuinely cares for her brother and their relationship.