In the following year, 1972, he was invited to Kindai Eiga Kyokai (Modern film society) led by Shindo and directed the two Sukeban (female outlaw) action movie of "Konketsuji Rika" (Rika the Mixed-Blood Girl) and "Konketsuji Rika Hitoriyuku Sasuraitabi" (Lonely Wanderer) in the following year, which were unique among Nakahira's works, and consequently, he showed his talent in directing all types of films.
翌年の昭和48年（1972年）には新藤の率いる近代映画協会に招かれ、中平作品としては意外の『混血児リカ』、さらに翌年にも『混血児リカひとりゆくさすらい旅』という2本のスケバンアクションを撮り上げ、本当にあらゆるジャンルが撮れるという腕の確かさを証明した。