Takuya's step mother. She works for the company that is doing the excavation work at Sword Cape, Geo Technics. After becoming a widow, she becomes buried in work to forget about her loss, though there is a strong sense of underlying sadness in her personality. She is also a good cook. Without her glasses however, she is virtually blind. Ayumi is constantly under pressure from the press due to a recent string of accidents at the work site.

Takuya Arima is a young student whose father, a historian who has conducted various researches, disappeared recently. During a summer vacation Takuya receives a peculiar package from his missing father, along with a letter containing information about the existence of various parallel worlds. At first Takuya doesn't take it seriously, but soon he realizes that he possesses a device that allows him to travel to alternate dimensions. Is his father alive, after all? If so, where is he?<br><br>

(Source: TLWiki)

__Height:__ 160 cm

__[Blog](http://blog.excite.co.jp/kamosan) | [Twitter](https://twitter.com/nazukakaori) | [Instagram](https://www.instagram.com/nazuka_kaori424/)__

**Non-anime roles:**
• Robin - Honkai: Star Rail (VG)
• Tsukishiro Yanagi - Zenless Zone Zero (VG)

[Twitter](https://twitter.com/DawnMBennettVA)

Episode 26.5, reward for reaching at least 1000 sales for the first Blu-ray volume. The episodes shows different possible outcomes for the protagonist. 

Takuya's father died during an accident while he was doing research. Worried about his young stepmother, Ryumi, Takuya follows her to Ken point. Watching her and her best friend, Mitsuki, from behind a rock, a sudden flash of light turns into an unearthly beautiful woman. The mysterious woman slips a ring on his finger, and Takuya's travels into a parallel world begins. <br><br>
This ring is the key between Takuya and his different realities. 

Ayumi Arima