Western Fantasy: Starting from Being Raised by a Noble Lady

[Harem, relaxing, cool writing, multi-racial, crystal palace, everyone loves it] This is the story of a young man who built a big crystal palace in the empire. Adam traveled to a different world and was raised by Yvette since he was a child. Everything was originally fine. Everything changed until four runes appeared on his forehead. "Adam, you disobedient bad boy." ... Adam: Watch me activate the Supreme Bone in my body! Sweeping thousands of armies! Note: Crystal Palace is the main one, and the main line is the auxiliary one.