TV-Series
Description
Kaoru Tachibana is a supporting character in the anime and manga series Do You Like Big Girls? She is the non-biological elder sister of the main protagonist, Sota Tachibana, and a dedicated member of the women's volleyball club at Hokuei University, where she also serves as the former acting captain.

In terms of personality, Kaoru is depicted as meticulous, bold, and assertive. She possesses a powerful athletic build and a fierce, competitive nature, which makes her a powerhouse on the volleyball court. This strength of character extends to her daily life, where she is known for being strict and serious, especially regarding her sport. This serious demeanor is what led her to pressure Sota into taking on the role of the team's manager.

Despite her forceful personality, Kaoru's primary motivation is deeply rooted in her family ties. Her relationship with Sota is central to her character. While she often teases him about his shorter stature in their day-to-day interactions, she is also fiercely protective of him. This protective instinct creates a notable contradiction in her behavior. When any of her tall teammates show romantic interest in Sota, Kaoru's typically composed and confident exterior cracks, revealing a flustered and somewhat jealous side that betrays her deep care for her brother.

Kaoru's role in the story is largely defined by this dynamic with Sota and her position on the volleyball team. Her actions and feelings create a significant source of tension and comedy, particularly through her rivalry with other teammates, such as Ayano, who vie for Sota's attention. As the series progresses, the ongoing, awkward situations between Kaoru and Sota hint at a potential romantic subplot, adding complexity and humor to their sibling-like relationship. Her notable abilities include her considerable height and athletic talent, which make her a formidable player on the court, though her most defining trait remains her bold, athletic prowess combined with a deeply protective and surprisingly flustered nature when it comes to her brother.