Gonna Be the Twin-Tail!!

"Gonna be the Twin-Tail!!" (Japanese: 俺、ツインテールになります。, Hepburn: Ore, Tsuintēru ni Narimasu.) is a Japanese light novel series written by Yume Mizusawa and illustrated by Ayumu Kasuga. The story centers on Souji Mitsuka, an ordinary high school boy obsessed with twin-tail hairstyles. He encounters Twoearle, a mysterious girl from a parallel world, who tells him that twin-tails on Earth are under threat from monsters from another dimension. To protect his beloved twin-tails, Souji accepts the 'Tail Gear' from Twoearle and transforms into the twin-tail warrior 'Tail Red'. Later, two other girls who also love twin-tails, Aika Tsube and Erina Shindo, join the battle, transforming into Tail Blue and Tail Yellow respectively. The series is known for its unique setting, comedic plot, and exciting action scenes, while also exploring themes of gender identity and self-expression. In addition to light novels, the series has been adapted into anime, manga, and other forms of media.