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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

Time goes back to when a horde of dragons invaded Oriana city. King Leonida and everyone else in the conference room were shocked because they didn't expect that there would be a follow-up incident after what had happened yesterday.

"Are you sure it's the dragon horde?" King Leonida asked with a serious face. The horde of high level magical beasts that almost invaded Oriana city yesterday had given him a headache, and now even more powerful monsters appeared. It left him confused about how he should deal with the crisis.

"The royal mages believe that the attack came from the dragon, Your Majesty! They also predict that the monsters will arrive in Oriana city soon." The soldier answered firmly.

Chapter 19