Ane no Shin'yū, Watashi no Koibito.

When her older sister brings a new friend home, a young woman finds herself unexpectedly drawn to the captivating newcomer. What begins as a casual acquaintance quickly blossoms into a deeper connection, challenging her preconceived notions of love and relationships. As their bond strengthens, she navigates the thrilling and uncertain waters of a burgeoning romance, all while keeping it a secret from the one person it might affect most. This intimate story explores the delicate complexities of first love and hidden desires, set against the backdrop of familial ties. It’s a tender exploration of self-discovery and the courage it takes to pursue happiness, even when it means stepping outside of expectations.

✦ AI-drafted summary