Missing Character Quests:

6*

Alpinia
Black Baccara
Cattleya
Mei Plumblossom
Pumpkin
Saffron

5*

Apple of Sodom
Gerbera
Holly
Monotropastrum
Setaria


As a side note: While Oncidium doesn't have her own folder for them her character quests are actually uploaded they're just attached to her "Love" scene vid.