What animê she come from???

oi sorry i couldnt help more, i was kinda in a rush

Apparently, well... im not even sure if it's an anime, but i thin it's a game and a visual novel. it's calle LB
or something like that.

If you wanna look for mais information on your own the three main characters names re mary, garry, and LB

She's not from an anime, that's fanart. Her name is ib, and from the horror rpg game which takes her name, ib.