Re:ZERO -Starting Life in Another World-, The Frozen Bond

Overview

Deep within the isolated Great Elior Forest, a freezing land covered in snow and ice, lives a girl feared for her resemblance to the legendary Witch of Jealousy. She is the half-elf Emilia, her only company a cat-like spirit named Puck. Both are similarly spurred by duty and guilt, yet the two never grow closer. In this world, the days seem as if they’re an unchanging eternity, but the trials awaiting them are merciless like hellfire… (Source: Yen Press)

Source: AniList