Gonna be the Twin-Tail!!: Aika Tsube

Soji's childhood friend and an 15-year-old freshman at Yogetsu Private Academy. She treats Soji like a little brother and is rather overprotective of him although this is later discovered because of her massive crush on him despite not showing it to him. She is really good at martial arts thanks to her grandfather's training and later became Tail Blue in order to save Soji from being defeated. She always beat up Twoearle for her perversions. As Tail Blue, her main weapon is Spear of Water, Wave Lance which was upgraded to Eternal Chain. These are from Episodes 2 and 11.

Episode 2

Episode 11

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