
Naïve 16-year-old Mamori Tokonome is accustomed to being teased at school for having an unfortunate surname that can also be read as "virgin." However, young Mamori will soon have to get used to being teased in other ways... Kidnapped during gym class, Mamori wakes up only to find herself stranded and under attack on the exotic island of Mermaid. Luckily, enigmatic fellow castaway Mirei Shikishima knows exactly how to take the lead—through a passionate kiss, Mirei unleashes Mamori's Exter trans...
The franchise consists of three projects; Mermaid, a television anime series produced by Arms Corporation, which aired in Japan between October and December 2015; Bhikkhuni, a PlayStation Vita game; and Siren, a social game for iOS and Android devices also released in 2015.
This series centers on explicit sexual content as its core mechanic — characters transform into weapons through arousal and intimate contact. Expect near-constant nudity, simulated sexual acts, and fetish-focused framing throughout all 12 episodes.
Valkyrie Drive: Mermaid has 12 episodes.
Valkyrie Drive: Mermaid is currently finished airing.
Valkyrie Drive: Mermaid was produced by Arms.
Valkyrie Drive: Mermaid aired Oct 10, 2015 to Dec 26, 2015.
Valkyrie Drive: Mermaid is based on a Original.
This series centers on explicit sexual content as its core mechanic — characters transform into weapons through arousal and intimate contact. Expect near-constant nudity, simulated sexual acts, and fetish-focused framing throughout all 12 episodes.

Shikishima, Mirei
Main
CV: Iguchi, Yuka

Tokonome, Mamori
Main
CV: Izawa, Mikako

Ange
Supporting
CV: Kanemoto, Hisako

D5
Supporting
CV: Shimoda, Asami

E9
Supporting
CV: Kouno, Marika

Hasumi, Rain
Supporting
CV: Oonishi, Saori

Hiiragi, Akira
Supporting
CV: Yoshino, Yuna

Kazami, Torino
Supporting
CV: Inoue, Kikuko

Kenjou, Hibiki
Supporting
CV: Suwa, Ayaka

Kirii, Futaba
Supporting
CV: Miyake, Marie

Kouzuki, Momoko
Supporting
CV: Kimura, Juri
Kusumi
Supporting

Lady J
Supporting
CV: Asakura, Azumi

Marianne
Supporting
CV: Hioka, Natsumi

Minimi, Nimi
Supporting
CV: Takahashi, Minami

Miranda
Supporting
CV: Ookubo, Rumi

Miyasato, Aoi
Supporting
CV: Ishigami, Shizuka

Monroe
Supporting
CV: Matsuda, Risae

Nukui, Tomomi
Supporting
CV: Uchiyama, Yumi

Oya, Noe
Supporting
CV: Takahashi, Rie

Saejima, Kibami
Supporting
CV: Sakurai, Harumi

Sagara, Momoka
Supporting
CV: Harada, Hitomi

Sakura, Meifon
Supporting
CV: Kubo, Yurika

Scherzen, Charlotte
Supporting
CV: Seto, Asami
12 episodes
2017 Spring
2015 Summer
2008 Spring
2010 Winter
2015 Winter
2011 Summer
2014 Fall
1997 Spring
2016 Winter
2015 SpringMore popular than 91% of all anime