ch 5 Very, VERY boring. It's just every time a problem arises he has a spell for that, just over and over again. And the MC is boring, the other chars have no personality too. Might be the most boring isekai i've read :/
Tensei Kenja no Isekai Raifu ~Daini no Shokugyo wo Ete, Sekai Saikyou ni Narimashita~