生駒 美桜

A member of the livestreaming group Nana Channel.

After seeing how withdrawn and lonely she seems, Nana and Asuka invite the friendless Mio to join their livestreaming channel.

While overcoming some of her shyness after joining in on the two's videos, she still prefers to work behind the scenes, without appearing on camera.

In the hotel, disregarding the risk to her own life, Mio rouses herself to save her friends Nana and Asuka.