This is the character Nozomi Kirifuji from the videogame The Hundred Line: Last Defense Academy, created and directed by Kazutaka Kodaka and Kotaro Uchikoshi.

This one is just the normal character, or my version of the character (and I know others did their version), with different scenarios and first messages. (The first messages were exported from Chub AI, so all credit goes to the people who created them.)