Kuro no Shoukanshi

A man named Kelvin wakes up in a new world with no memory of his past, having traded those memories for powerful abilities. He becomes a Summoner and is joined by the goddess who brought him there. As an adventurer, he quickly discovers a strong enjoyment for battle. He faces powerful enemies such as the Black Knight of the Ancient Castle of Evil Spirits and a demon in the Hidden Cave of the Sage. He and his companions embark on a journey filled with intense and epic confrontations.