史上最強の魔法剣士、Fランク冒険者に転生する ～剣聖と魔帝、2つの前世を持った男の英雄譚～

Yuuri Aizawa has reincarnated 2 times now and is dead tired of being the emperor of this and that. Using his skills, he acquired a reincarnation artifact, and starts his life in a brand new world! (Source: MU)