It's an academy action manhwa where the mc isa descendant of the martial king? and he was recommended in a magic school, he was training in the mountains for so long and despite his F rank trait he beats up someone that challenged him one on one
Hi! Hi! is this it? https://www.mangago.zone/read-manga/my_school_life_pretending_to_be_a_worthless_person/
It's an academy action manhwa where the mc isa descendant of the martial king? and he was recommended in a magic school, he was training in the mountains for so long and despite his F rank trait he beats up someone that challenged him one on one