Sanpaku Eyes Extras - Ch. 9 - Illustration: Her name is Amane Mizuno

[MangaDex]

 

[caseo78]

Is this the first time they told us her name?

 

[Rotoscopic]

Yes. This was posted to the artist's twitter three days before chapter thirteen was released, which was the first time we ever heard our lovely MC's name spoken by another character.