Rekka no Ketsuzoku

Physician Roger Baldwin, a member of one of the five great houses, is forced on pain of death to transplant a Philosopher’s Stone into a human heart—and after 10 failed attempts, he finally succeeds! At the age of 18, the recipient, Mahoro Baldwin, is sent to the Lowen Royal Officers Academy to study magic, and to discover the fate of his adoptive brother and bosom friend Siegfried. But when he arrives on the Isle of Crimson, he soon realizes he has much more to learn than a few spells. At once intimidated and fascinated by the gorgeous upperclassmen Noah St. Johns, Mahoro is drawn ever deeper into a web of intrigue and attraction that he barely comprehends… This magic academy drama unfolds in a gothic fantasy kingdom simmering with class conflict and sexual tension… (Source: Kodansha USA)