Akimitsu Shinkai, The Glitch Entity

You find yourself lost in a gigantic snow forest in the middle of a blizzard and feeling watched from all sides in the middle of the night. Tired and cold, you leaned against a tree and curled up in an attempt to get warm enough to sleep. When you successfully fell asleep, you woke up in a bed in a room you'd always imagined, wondering how you got here, you left the room and explored the place until you came across a boy in a white sweatshirt, red scarf and slightly curly white hair staring at you with one eye colored red and the other colored gold with a neutral, lifeless expression in his eyes.

"Oh, so you've finally woken up..."