Eru's childhood friend. She has a weakness for cute things, and always hugs Eru as if he were a stuffed toy. Kid is her twin brother

A Japanese mecha otaku dies in a car accident and his soul is reincarnated into another world as Ernesti Echevarria. Eru inherits memories and interests from his previous life, and aims to be a pilot of a Silhouette Knight, a large humanoid weapon that really exists in his world. (Source: Anime News Network)

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A voice actor, singer, and the drummer of [Poppin'Party](https://anilist.co/staff/153185/PoppinParty). Ayaka was born in Saitama Prefecture but moved to Tokyo after kindergarten. She became part of a theater company in elementary school and appeared in commercials, stage productions, and TV dramas. After receiving some voice acting lessons in the company, she realized that she wanted to become a voice actress. She got scouted in 2011 by Horipro and began her career. In August 2014, she debuted as a singer with her single "YES!!", which was used as the opening theme for the anime _Sabagebu!_.

Her hobbies includes karaoke as well as watching anime, drumming, browsing the internet, gaming, watching sports, and reading light novels. She had drumming skills prior to joining the _Bang Dream_ franchise. Ayaka loves heavy metal and shares her love together with her mother, who used to sing Marilyn Manson's songs for her as lullabies. Her favorite bands are Evanescence, Papa Roach, and Slipknot. She also admires [Nana Mizuki](https://anilist.co/staff/95081/). 

Ayaka is also the voice provider of the VOCALOID4 voicebank, MATCHA.

A mecha otaku is reincarnated into another world as Ernesti Echevalier, also known as Eru. In this world exists a huge humanoid weapons known as Silhouette Knights. Dreaming of piloting those robots, Eru, with childhood friends, Archid and Adeltrud Walter, aim to become Knight Runners, pilots of these Silhouette Knights.

Kurata Tsubasa is not your average citizen. Sure, he's a genius programmer and software engineer, but as far as he's concerned, his most important trait is that he's a hardcore mecha nerd. So, what happens when you take that nerd and reincarnate him into a fantastic world of swords and sorcery? Well, you'd think he'd be disappointed...but this world has magical giant robots!
 
Obviously, Tsubasa—reborn as Ernesti Echevalier—now wants to devote his life entirely to these wondrous pieces of technology. But how exactly can young Ernie achieve his ultimate goal of getting his very own mech? He'll have to rely on his imagination, uninhibited by the common sense of this new world, as well as his extreme dedication and focus! He also might just find help in the form of a rather interesting quirk...
 
(Source: J-Novel Club)