My Isekai Life 09: I Gained a Second Character Class and Became the Strongest Sage in the World! (manga)

After Yuji manages to free Baolzard, an ancient dragon with immense power, from captivity within a mine controlled by the Blue Moon of Salvation, the group trashes the cult’s home base before escaping back to Baolzard’s former domain. Once there, Yuji learns about the impending revival of the Dragon of Dark Ruin and the even more fearsome Dragon of Red Omen along with the existence of a former Sage Monster Tamer who died trying to take the fearsome wyvern down. With Baolzard by his side, does Yuji stand a chance in defeating the double dragons, or is he toast?!