I, the Hopeless Sister, Love My Sister

I, the Hopeless Sister, Love My Sister, known in Japanese as Dame na Ane (Watashi) wa Imouto wo Mederu (ダメな姉（わたし）は妹を愛でる), is a delightful web novel that follows the story of Tachibana Mako and her twin sister Tachibana Koma. Mako, the self-proclaimed hopeless sister, admires her sister's kindness, beauty, and intelligence. However, there's a secret she can't share with anyone about her beloved younger sister. This heartwarming rom-com explores the unique bond between the enthusiastic elder sister and her lovable sibling, blending elements of comedy, drama, ecchi, romance, school life, and yuri themes.