Koukawa Asuka is Igawa Asagi's adopted daughter, a rouge Taimanin introduced in Taimanin Asagi 3 and also the second protagonist. She was Asagi's prodigy two years before the event of the third game.

Based on the adult game by Anime Lilith.<br>
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The Taimanin Asagi series of erotic visual novels is a must-play for anyone who loves to see strong and sexy women succumb to the pleasures of the flesh. In this action-packed third installment, enjoy many hours of tentacles, monster sex, Ninja fighters, BDSM, and all sorts of other juicy fetish material starring the smoking hot Asagi and her demon-hunting ninja comrades.<br>
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(Source: J-List)

[Website 1](http://ryoko-teduka.net) | [Website 2](http://megumi-tateishi.net) | [Blog](https://ameblo.jp/tezuka1015) | [Twitter 1](https://twitter.com/1015ryouko) | [Twitter 2](https://twitter.com/1015tateishi) | [Wiki (jp)](https://ja.wikipedia.org/wiki/%E6%89%8B%E5%A1%9A%E3%82%8A%E3%82%87%E3%81%86%E3%81%93)

She is a Japanese (primarily) adult game voice actress.

Asuka Koukawa