"Kouryakubon" wo Kushi Suru Saikyou no Mahoutsukai - Vol. 1 Ch. 5

[metrix145]

Wait she is 14 and he is 18. Ah whatever its medieval times.

 

[MyriadDestiny]

I have to wonder, does the book auto-update with new information as he goes around and collects stuff? at the moment it reads like a one-use strategy guide of a game because of how immediately relevant all the information is. It's not a world encyclopedia that lists information about everything