Mei

Mei (芽生) is a student of Tokiwadai Middle School and a member of Shokuhou Misaki's Clique.

Appearance
Mei has black hair, tied up into long, knee-length twintails. Being a Tokiwadai student, she wears the school's uniform.

Background
Mei's background is mostly unknown, but she often works with Kii, the pair being known as the clique's Bumblebee Unit.

Daihasei Festival Arc
Mei and Kii were among members of Shokuhou's clique who were tasked with taking care of Misaka Mikoto, keeping her occupied and restricting her movements, while Shokuhou was away dealing with the situations regarding Misaka 10032 and Kihara Gensei. When Mikoto tried to get away from them by 'accidentally' catching a ride on a train, Mei and Kii quickly caught up to her.

After Mikoto discovered that Kongou Mitsuko had been hospitalized in trying to help her, Mei and Kii met her as she was heading out and tried to get her to wait but were cowed by her anger, with Mikoto telling them to get out of her way unless they were prepared to kill her to stop her.

Jailbreaker Arc
Mei and Kii were tasked by Shokuhou with watching over Dolly as she and Kouzaku Mitori were participating in the Jailbreak Trial, with their memories to be altered afterwards. Having unsubtly aided the two during the event, they were approached and thanked by Kouzaku during post-event celebrations.

Abilities
Mei's esper ability is Wild Speed. As a student of Tokiwadai Middle School, it can be presumed to be at Level 3 or 4.