Kyushu Sentai WakuSaver is an attempt to release a “classic” Sentai-like series.
Kyushu Sentai WakuSaver
Indeed Giga, the production company is best known for its pornographic versions of Tokusatsu or more generally of superheroes (because in addition to productions clearly referring to the Toei series, there are also porn versions of the JLA or other superheroes. Rican heroes …)
Kyushu Sentai WakuSaver