For day 8, here is Iida Kotori from Amaama to Inazuma (Sweetness and Lightning).
For day 9, here is Misaka Mikoto, the protagonist of Railfun, and also a semi-important/the best character from Index.
Continuing the countdown, here is Oumae Kumiko, the protagonist of Hibike! Euphonium.
Next up is Kanbaru Suruga, one of the members of Arararagi’s harem in the Monogatari Series.
First up is Chihaya, the protagonist of Chihayafuru.