Artifact Collector Isekai to Tensei to Otakara to 4 [Light Novel]

[Machine Translation] Zen Matsudaira ( Zen ), an ordinary businessman who died protecting his child, was reincarnated and became a resident of another world. With the blessing of a super god of study, he mastered various skills. Before long, he had grown into a warrior of unparalleled strength. One day, Zen was told by his friend Elias, who has royal blood, that he plans to raise an army to avenge his father's death and regain his usurped throne. Elias's plan seemed to be progressing smoothly, as he had obtained an artifact that would become a symbol of salvation. However, they are forced to go into battle without being able to bridge the gap in force between themselves and the nobles of the current king's faction, who make up the majority of the army. When Zen learns of this fact, he begins a covert action to eliminate the influential nobles who are hostile to Elias. Zen's solitary battle begins behind the battlefield where large armies clash with each other!

子供を庇って死んだ平凡なサラリーマン松平善(ゼン)は、転生して異世界の住人となった。彼は勉強の超神の加護により、様々なスキルをマスター。いつしか比類なき強さを誇る戦士に成長していた。ある日ゼンは、王家の血を引く友人エリアスから、父の仇を討ち、簒奪された王位を取り戻す為に挙兵する計画を打ち明けられる。救国の象徴となるアーティファクトを手に入れ、一見順調に進んでいたかに見えたエリアスの計画。だが彼らは、多数を占める現王派の貴族達との兵力差を埋められないまま戦の決行を余儀なくされてしまう。この事実を知ったゼンは、エリアスに敵対する有力貴族達を排除すべく、隠密行動を開始。大軍同士がぶつかり合う戦場の裏でゼンの孤独な戦いが始まった!