[WARNING #1: SPOILER ALERT! This post MAY contain spoilers from anime and LN] [WARNING #2: This is NOT a fanfic] If you pay enough attention, you'll notice that in Tensura universe, there is a "weird" writing system used. What is it actually? What language is it? How can we read it? [This book has been rewritten due to the quite-messed-up structure and some additional information have been added as well]