Ochikobore “1” Mahou Tsukai wa, Kyou mo Muishiki ni Cheat wo Tsukau - Vol. 1 Ch. 6

[MangaDex]

 

[zerio]

Maybe there's a mistake on the rank chart. Because if he's rank 10, he wouldn't be a beginner.

 

[Quarnozian]

Maybe there's a mistake on the rank chart. Because if he's rank 10, he wouldn't be a beginner.

Yeah, from his comment about being in the "top grade", it sounds like the chart is numbered upside down.