洗脳スキルで異世界無双！？いやこれ持ってるのバレたら処刑されるので健全誠実に生きようと思います (Associated Names)

After a lifetime as an overworked corporate drone, I decided my second chance at life in a fantasy world would be spent in peace and comfort. Then came my fifteenth birthday. The skill I received from the gods was… Brainwashing!? “Alright, let’s brainwash some cute girls and build a harem!” …Wait, no, no, no! If…