I am the World's Strongest, because I can read MANGAManga wo Yomeru Ore ga Sekai Saikyou ~Yometachi to sugosu kimama na seikatsu~; Manga wo Yomeru Ore ga Sekai Saikyou; マンガを読めるおれが世界最強～嫁達と過ごす気ままな生活～; I am the World's Strongest, because I can read MANGA

The other world I reincarnated to, was a world that will enable you to use magic after reading a Grimoire. And the Grimoires contents areYou wouldnt believe it, itsManga. This worlds people would take around one year to read one Grimoire(Manga) But for me, it is aManga, thats why it would not take an hour. Interpreting and understanding all kinds of Grimoires and the 6 year old me who became the Worlds Strongest Master Mage, Welcomed brides that were also 6 years old, and started living a carefree life!!