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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

After seeing Ziel's fight from inside the world tree barrier, Kalya and the other girls were worried. Since the beginning of the battle, Ziel already looks challenging to approach the dragon. He seems to be more defensive and dodging than attacking. But after they saw that Ziel managed to land his attack on one of the dragon heads, they were shocked. That's because Ziel's attack only made a small cut on the surface of the dragon's skin.

"Isn't that dragon too strong? Will Ziel be okay?" Kalya asks Dryad next to her. Even though she knew it would be rude, Dryad was a spirit queen adored by the elves. But Dryad seemed to ignore that and was willing to answer her question.

"Ziel? Ah, you mean Ken, right? I do not know. I know he's strong, but if we have to fight a monster like that…then, we can only hope that he will win." Dryad shook her head and smiled bitterly. She wants to answer Kalya's question because Ziel has a very intimate relationship with Kalya.

Chapter 53