Shinyuu ni Imouto(?) ga Ita Hanashi is an ongoing manga by Spica Foods. It blends romance, comedy and boys' love. You can read all 9 available chapters of Shinyuu ni Imouto(?) ga Ita Hanashi online for free on MangaPulse; the newest is Chapter 9, added 2025-03-24. New chapters appear here shortly after they're released.