I Was Reborn as a Villainous Aristocrat, but to Be Honest, I’m Having Too Much Fun With Magic – I’m Creating All Kinds of Unique Magic, and Before I Know It, I’m Going to Be the Next Demon King!

Akuyaku kizoku ni tensei shitakedo majutsu ga tanoshi sugite shōjiki soredokoro janai ~ koyū majutsu o tsukuri makutte itara itsunomanika jiki maō ni nari-sōna kudan ~ · 悪役貴族に転生したけど魔術が楽しすぎて正直それどころじゃない～固有魔術を創りまくっていたらいつの間にか次期魔王になりそうな件～