[Akarin]

Originally Posted by Utsuro no Hako

I also find it amusing that Hibiki looks flat chested when wearing her school clothes, but going by the OP she has bigger breasts than any character save Sakura.

She's not really flat-chested when wearing her school uniform.

Spoiler for nsfw:

Originally Posted by asaqe

I assumed that

Spoiler for It is an ineveitability:

That Tsubasa will die soon for Miku to gain her own powers. When does Tsubasa dies is the question

Episode 3, Tsubasa's head will get eaten off by a noise.