Gonna Be the Twin-Tail!!(2014)

Original title: 俺、ツインテールになります。

• TV show
• October 9, 2014
• 24 min per episode
• 1 season
• 12 episodes
• Ended
• Last aired: December 25, 2014
• Animation, Action & Adventure, Comedy, Sci-Fi & Fantasy

Souji Mitsuka is a first-year high school student who is obsessed with twin-tails. One day, a beautiful girl from a parallel world named Twoearle, suddenly appeared in front of him and gave him the power to transform into the twin-tailed warrior Tail Red. With the Ultimegil organization attacking the planet, Souji now must fight in order to protect the peace on Earth.