It was a normal consciousness, and a door opened, that door leads to a different world where no one knows in the human world, and that world is the Otherworld.
Snowflake goes inside the door and a talking cat greeted her, he's nyang lead manager the lead manager of the 14th division of the Reapers Department, he took her around the department and meeted the manager, the manager told her to never let her gaurd down while purifying spirits and monsters from the underworld, she took her to her designated team.