Mujou no Erasmus: The Erasmus Two-Faced Stories (2011)

Two original short stories told using characters and settings from The House in Fata Morgana.

Storyline

One day, Mell receives a mysterious e-mail from someone who signs themselves as the "Witch of Fog." The Witch has organized a class reunion for him and his former roommates who all attended Erasmus in Strasbourg together.