Toriumi Nanami

Long-dark-haired woman. She panics and scolds over Sora's nudity and Nagi stripping, then appears next morning in sheer lingerie and adjusts her clothes in front of Sora.

Blonde long-haired older-sister figure tied to the Toriumi household. Frequently drinks beer in a thin camisole and panties. Guides Sora to his room, then after seeing his erection performs handjob, oral, and penetrative sex. Attends university off the island.