Majutsu Guild Sousui - Umarekawatte Imasara Yarinaosu Nidome no Gakuin Seikatsu

The Celestial Guest and Supreme Sage, Cedric, is a spellcaster with unparalleled magical abilities, earning him the title of a living myth. In a tragic turn of events, he meets an untimely end due to the betrayal of his own followers. Nevertheless, Cedric transforms this challenge into a chance for even greater advancement. Having realized the boundaries of his strength, he dedicated himself to uncovering the mystery of reincarnation to start over as an infant human. However, upon implementing his findings, he discovers that he has been reborn in the form of Alphred, a frail boy who is bullied at school! Annoyed by his situation, he sacrifices his existence to summon a vengeful Cedric, paving the way for an extraordinary tale of retribution featuring the greatest sage!