Failure Witch Iris and the Philosopher’s Stone v1.3 [COMPLETED]

This is Kovadis Magic Academy, where young aspiring witches from all over come to study.
One day, protagonist Iris is summoned by the academy headmaster.
She is told she failed the advancement examination, even though for the past two years,
she’s been a perfect honor student.
Someone must have made a mistake, but the headmaster says nothing of the sort has occurred.
In the end, Iris is forced to go on a journey to gather the materials for the “Philosopher’s Stone”,
together with her childhood friend Noel, and her slutty junior Rin.
On their journey, they will have to overcome many trials , filthy dicks, and monster rape…
Will Iris be able to advance?​