Nagai Hina, known simply as Hina, is a Japanese singer, dancer and member of LIGHTSUM (라잇썸). Before debuting, she attended MARU Dance Studio. She made her debut in June 2021 as the group's sub-vocalist with their first single, "Vanilla". They are managed by CUBE Entertainment (큐브엔터테인먼트). (Source: MyDramaList) Watch drama online for free.