Ore, Twintail ni Narimasu.  

Gonna be the Twin-Tail!!, Twin tails ni Narimasu., 俺、ツインテールになります。

Twintails are highly valued by many people, including high school student souji mitsuka. at school, souji spends much of his time admiring and rating twintails. he even creates a club dedicated to this hairstyle. however, when extraterrestrial beings attack earth and take the world's twintails, a mysterious woman named twoearle enlists souji to fight back using his own twin-tailed powers. as tail red, souji battles against ultimegil, an organization that aims to colonize earth and steal everyone's spiritual energy or "attribute power." along with fellow twin-tailed warriors aika tsube and erina shindou, souji must find a way to protect the twintails he cherishes so much.