ライオットグラスパー ～異世界でスキル盗ってます～

The main character, Seiji, who died in an accident, learned the cheat technique “Riot Grasper”, and was reincarnated into a world of swords and magic. Using the power of Riot Grasper to steal the useful skills of others, he fights to protect what is important. A story about the growth of Seiji who aims to fight 100% by "stealing". (Source: Japanese Publisher, translated)