Portable — Oni.chi.chi

: It could potentially be a character's name or nickname in a story, possibly blending the term for a demon (oni) with a personal name or a play on "chi" as in energy.

Oni Chichi is a cultural artifact of a specific niche. It is not a "good story" in the conventional sense, nor is it a pleasant viewing experience for most. However, for those who follow the adult anime genre, it is an inescapable pillar. Oni.Chi.Chi