Manga wo Yomeru Ore ga Sekai Saikyou: Yometachi to Sugosu Kimama na Seikatsu

I was reincarnated into a world where you learn to use magic by reading grimoires. And these magic grimoires' contents are.. You wouldn’t believe it, but they look like manga. The people in this world would normally take about a year to finish reading one grimoire. But for me, it's like reading a ma