山田 陽南

Korona's friend who's quite eccentric. To this day Akito and the others still don't know what she's thinking. She's interested in astronomy.

Most times she has a look of dead tiredness on her face, but will sometimes mumble things about flying through the sky. Basically while she looks like she's not thinking of anything at all, her head is perpetually full of fantastic stories.

She admires Saya, calling her the "Albireo Princess".

"It's a detailed simulation of what would happen if a person was sucked into a black hole. Look..."