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After defeating the fallen god-king in divine war, Ziel Grisel (Ken Nijisaki) is cursed by his opponent and loses all his emotions. Ken feels the emptiness in his life and decides to create reincarnation magic by using his innate ability to dispel the curse.
Nine hundred years have passed, and Ken has been successfully reincarnated. Unfortunately, the curse cannot be removed, and Ken is forced to live in that era without his emotions. After learning that fact, Ken is determined to live a quiet and peaceful life as... a butler?

Invincible Colorless Butler

<p>In a lake located in the forest area of ​​the academy. A boy with gray hair was holding a fishing rod in his hand while closing his eyes. The boy is Ziel Grisel. He was currently in his true form. It had been 3 weeks since he and the academy students returned from the survival test in the Alba Mountain range. They were given time to vacation for one month. Ziel is at the academy because his employer, Clara Castilene does not return to his home on vacation. Apart from clara, Princess Iris didn't return to the neigal royal castle either.</p>

Chapter 1