Mizuki Akiyama, alias "Amia", is the video producer and animator of N25. They notably like fashion and are seemingly obsessed with anything cute. Mizuki is rather playful, occasionally teasing other members such as Ena, and they have a rather carefree, energetic and sometimes childish demeanour. However, behind this, they hide their past of not being accepted by other people. From middle school onwards, Mizuki is treated as an outcast for dressing and acting oddly, causing them to skip class often. Their response to the criticism is simply that they don't see anything wrong with dressing how they like, and they express that they just want to be themself. This is a big secret they keep from the rest of the group, as from their perspective, everyone has things they want to keep hidden. But they don't take this secret lightly, as perhaps their bigger fear is that their close friends will give them the same criticism their classmates do. Maybe it's nicer for things to stay the way they are, even if that comes at the expense of keeping their identity from their friends.