Familiar, a magical creature of any kind that a mage channels mana through to perform magic or tasks. Familiars are all different and each mage can have only 1 and it can only be summoned in Magic Academy due to the preparation for this being in these locations.
The age that these students obtain this is when they start their second year in the magic academy. The first year was purely to teach the students how to gather mana and improve their capacity as well as to weed out those without talent for gathering mana. The entire year teaches the students breathing techniques, meditation and teaches the basis of how magic works.
Our story starts with a young man that summons the most uncommon Demon, the imp or so called the Ash Golem.