Rinko Isumi, seventeen years old. Occupation: rookie mercenary. Rinko, who applied to a private military company thinking of it as just a part-time job, finds herself thrown into a conflict zone in a foreign country alongside Nagisa, a veteran mercenary. In a place where she has no sense of the terrain and the language and culture are foreign to her, Rinko learns everything from Nagisa and gradually learns how to “survive in this place”—.
Mercenary Sisters is an ongoing manga by Mikawa Ghost, first published in 2026. It blends action, adventure and girls' love. You can read all 5 available chapters of Mercenary Sisters online for free on MangaPulse; the newest is Chapter 3.2, added 2026-09-27. New chapters appear here shortly after they're released.