A young wizard dominates with the knowledge from his past life, breaking through level limits!
The strongest wizard, Roy, is reincarnated into the future as a young boy, Yuug. However, magic has declined since then, and wizards are considered the weakest class.
With the knowledge of magic from his past life and his extreme-level abilities, Yuug embarks on his second life's adventure... (Synopsis taken from the raw pixiv site)

少年魔法使いが前世の知識で無双する、レベル限界突破の冒険譚！

最強の魔法使いロイは未来に転生し少年ユーグとなった。しかし、その世界では魔法は廃れ、魔法使いは最弱職と位置付けられていた。

前世の魔法の知識と最高レベルの能力をそのまま維持し、ユーグは第二の人生をスタートさせる…。