Seito Kaichou de Amaenbou na Onee-chan wa Suki Desu ka? is a Japanese adult visual novel series known for its comedic and romantic themes. The storyline revolves around a protagonist who gets involved with an affectionate and somewhat dependent older sister figure, who also happens to be the student council president. The series explores themes of romance, humor, and slice-of-life moments, attracting fans who enjoy lighthearted narratives mixed with romantic antics.