About ONIMAI: I'm Now Your Sister!
- Released on January 05, 2023
When lazy, erotic-game loving Mahiro Oyama is transformed into a girl by his younger scientist sister's experiments, he becomes determined to change back, only to recognize that with his new opportunity, he may want to turn his life around.
Main Cast of ONIMAI: I'm Now Your Sister!
Marika Kouno plays Mahiro Oyama (voice) (12 episodes)
Marika Kouno (高野 麻里佳, Kōno Marika, born February 22, 1994) is a Japanese voice actress (seiyū) and singer from Tokyo....
See Marika Kouno's other roles →Kaori Ishihara plays Mihari Oyama (voice) (12 episodes)
Kaori Ishihara is a Japanese pop singer, voice actress, idol, and actress managed by Style Cube since 2011. She was f...
See Kaori Ishihara's other roles →Hisako Kanemoto plays Kaede Hozuki (voice) (12 episodes)
Hisako Kanemoto, also known as Juri Aikawa, is a Japanese voice actress from Okayama Prefecture, Japan. She is affil...
See Hisako Kanemoto's other roles →Minami Tsuda plays Momiji Hozuki (voice) (12 episodes)
Minami Tsuda (津田 美波, Tsuda Minami, born June 8, 1989) is a Japanese voice actress (seiyū) from Kanagawa Prefecture. S...
See Minami Tsuda's other roles →Kana Yuuki plays Asahi Ohka (voice) (12 episodes)
Natsumi Hioka plays Miyo Murosaki (voice) (12 episodes)
Secondary Cast of ONIMAI: I'm Now Your Sister!
Hiroaki Miura plays Seme (voice) (1 episode)
Hisayoshi Suganuma plays Uke (voice) (1 episode)
Hisayoshi Suganuma (菅沼 久義, Suganuma Hisayoshi, September 30, 1978) is a Japanese voice actor born in Tokyo affiliated...
See Hisayoshi Suganuma's other roles →Reimi plays Child - Brother (voice) (1 episode)
Emiri Suyama plays Woman B (voice) (1 episode) , Clerk (voice) (1 episode) , Woman A (voice) (1 episode)
Emiri Suyama (陶山 恵実里, Suyama Emiri, May 26, 1999) is a Japanese voice actress and idol from Tokyo and former member o...
See Emiri Suyama's other roles →Yuuya Uchida plays Leonardo (voice) (1 episode)
Voice actor and stage actor. Not to be confused with the musician and actor Yuya Uchida (1939-2019).
See Yuuya Uchida's other roles →Hironari Nemoto plays Movie Narration (voice) (1 episode)
Erisa Kuon plays Hairdresser (voice) (1 episode) , Woman B (voice) (1 episode) , Woman A (voice) (1 episode)
Kousuke Goto plays Spabone (voice) (1 episode)
Enako plays Nicolala (voice) (1 episode)
Yuri Ise plays Student A (voice) (1 episode)
Yoshie Saito plays Erotic Game Voice (voice) (1 episode) , Child - Sister (voice) (1 episode) , Reporter (voice) (1 episode) , Tomoya Kiba (voice) (2 episodes)
Ren Arata plays Student B (voice) (1 episode)
Rina Tsukishiro plays Nodoka Fushimi (voice) (3 episodes)
Kumiko Nakane plays Watch Stand (voice) (1 episode) , Waitress (voice) (1 episode)
Kumiko Nakane (中根 久美子, Nakane Kumiko, August 18) is a Japanese voice actress (seiyū) from Fukushima Prefecture. She i...
See Kumiko Nakane's other roles →Misaki Watada plays Minori Shiina (voice) (4 episodes)
Miyuu Takatsuki plays Satsuki Takada (voice) (4 episodes)
Sayako Tojo plays Mai Yasaka (voice) (3 episodes)
Mitsuki Nakamura plays Announcer (voice) (1 episode) , Truant Officer (voice) (1 episode)
Rena Aoshima plays Yuta Sakurada (voice) (4 episodes)
Rika Abe plays Minato Senkawa (voice) (4 episodes)
Rin Mizuki plays Mari Nishinomiya (voice) (3 episodes)
Yuuki Yamamoto plays Rin Minakata (voice) (1 episode)
Hina Yomiya plays Clerk (voice) (1 episode)
Mia Sakurai plays Nemu Fujimi (voice) (3 episodes)
Rika Nagae plays Yuriko Kitahara (voice) (1 episode)
Rika Nagae (長江 里加, Nagae Rika, September 28) is a Japanese voice actress (seiyuu) born in Saitama Prefecture. She is ...
See Rika Nagae's other roles →Karin Oda plays Miyako Nagase (voice) (2 episodes)
Fumiko Uchimura plays Takeshi Haijima (voice) (2 episodes)
Fumiko Uchimura (内村 史子, Uchimura Fumiko, December 16) is a Japanese voice actress from Kagoshima Prefecture. She is a...
See Fumiko Uchimura's other roles →Saya Tanaka plays Makoto Kodaira (voice) (2 episodes)
Sachiko Okada plays Landlady (voice) (1 episode)
Sachiko Okada was born on April 5, 1980 and is currently 44 years old.
See Sachiko Okada's other roles →Kosuke Kobayashi plays Announcement (voice) (1 episode)
Kosuke Kobayashi (小林 康介, Kobayashi Kōsuke, born January 28, 1980) is a Japanese voice actor from Toyama Prefecture. H...
See Kosuke Kobayashi's other roles →Crew of ONIMAI: I'm Now Your Sister!
Discover the backstage crew of ONIMAI: I'm Now Your Sister! →
- Hiroaki Miura
- Hisayoshi Suganuma
- Reimi
- Emiri Suyama
- Yuuya Uchida
- Hironari Nemoto
- Erisa Kuon
- Kousuke Goto
- Enako
- Yuri Ise
- Yoshie Saito
- Ren Arata
- Rina Tsukishiro
- Kumiko Nakane
- Misaki Watada
- Miyuu Takatsuki
- Sayako Tojo
- Mitsuki Nakamura
- Rena Aoshima
- Rika Abe
- Rin Mizuki
- Yuuki Yamamoto
- Hina Yomiya
- Mia Sakurai
- Rika Nagae
- Karin Oda
- Fumiko Uchimura
- Saya Tanaka
- Sachiko Okada
- Kosuke Kobayashi