Read manga: Isekai De Saikyou No Tsue Ni Tensei Shita Ore Ga Iyagaru Shoujo Wo Muriyari Mahou Shoujo Ni P Suru!

manga
Summary:

A widely popular TV animation series "Magical Girl ☆ Charming Luluna". Niimi Reiji, is a huge fan mahou shoujo otaku.One day he died while saving his friend's daughter suddenly reincarnated in a different world. But, as a magical wand rather than a human being!He has ability to Make(forced) a beautiful girl that you met into a "Magical Girl" and turn it into a magical (physics) power in a different world!Beginning in a different world adventure of Magical Girl Saga to fight demon king forces, start!