A pretty woman in her late twenties and the worst Medusa case among the survivors, being the most infected one of them all. Since their encounter she acts in a motherly way towards Tim, the youngest of them being only a little boy. Before becoming infected, Katherine was an alcoholic and was prone to abuse her son Michael, until he was taken away from her and placed in foster care. This events shook her greatly and left her with bitter disgust for herself, prompting her to try to be a true mother for Tim as she wasn't for her son.  Later in the story, the Medusa infection in her completely consumes her body and she turns into stone.

Panic spreads worldwide as the Medousa Virus threatens to wipe out the human race. Kasumi is one of 160 people chosen to be cryogenically frozen while a cure is found. When she awakens to find the facility overrun with thorny vines and ravenous monsters, Kasumi and six others struggle to survive this labyrinthine nightmare. If they survive, how long do they have to live?<br>
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(Source: Crunchyroll)

[Profile](https://haikyo.co.jp/profile/profile.php?ActorID=11570) | [Twitter](https://twitter.com/readingradio)

Her younger brother [Takashi Oohara](https://anilist.co/staff/96636/) is also a voice actor.

__Non-anime roles:__
- Harran - Goddess of Victory - Nikke (VG)
- Ningguang - Genshin Impact (VG)
- Mikasa - Azur Lane (VG)

Stephanie Young is an American voice actress who works for anime series of FUNimation Entertainment. She has provided voices for a number of English language versions of Japanese anime films. She is also a jazz singer, currently being the lead vocalist in her husband's band, "The Brehm's".

Two twins, separated by fatal illness and a selective cure. Kasumi and her sister, Shizuku, were infected with the Medusa virus, which slowly turns the victim to stone. There is no cure, but of the two only Kasumi is selected to go into a sort of cryogenically frozen state along with 159 others until a cure is found. At some point in the undetermined future, Kasumi awakens to find herself and others who were in suspended animation in an unfamiliar world with violent monsters. Resolving to unlock the mysteries of her current situation and the fate of her twin sister, Kasumi struggles to survive in a treacherous world.<br><br>
(Source: Tokyopop)

Katherine Turner