Taigaku ni nari Kandou mo sareta Ore ga Kizuna Shoukan-jutsu de Utopia o Kizuku

The protagonist, Idhir, was born into a family of knights but he was a dropout and always compared to his more talented older brothers. His grades were poor at knight school too and he was eventually expelled and disowned by his father. With him free from all ties, Idhir began to seriously forge his own path that he had been searching for for a long time. It was Bond Summoning. Using the bonds with the monsters he had befriended, he could summon things that did not exist in the world he lived in. With this, Idhir summoned things like plastic bottles and chainsaws, and greatly changed the world as it was. As this happened, “rewards” came for those who expelled and disowned Idhir.