Nanto Hisui Ken

Nanto Hisui Ken (南斗翡翠拳, South Dipper Kingfisher Fist): Appears in the second Rei Gaiden one-shot. It uses kick techniques, similar to Nanto Hakurō Ken. Its successor is Karen, a female martial artist serving the Ken-Ō Invasion Squad. The previous successor of this style was Karen's older brother, Masaya.