Mariko Oka

[Wiki (jp)](https://ja.wikipedia.org/wiki/岡真里子) Originating from Studio Live. Notable works as a character designer include [Jigoku Shoujo](https://anilist.co/anime/228/), [Ghost Hound](https://anilist.co/anime/2596/) and [Nurarihyon no Mago](https://anilist.co/anime/7592/). Close friends with [Hiroshi Watanabe](https://anilist.co/staff/101189/), and often designs the characters for the shows which he directs.