The Boy Who Ruled the Monsters: Before I Knew It, the Ultimate Specialized Support Skill Led to the World's Ultimate Party! manga volume 2 features story by Sin Guilty and art by ketsuyuki tamon.

Sol Rock, armed with only Support skills, was kicked out of his old party for not being strong enough. In reality, he has the greatest ability of all - his special Talent, 'Player,' is what allowed him to imbue his teammates with the skills that made them so powerful in the first place! To realize his dream of conquering all the world's dungeons, he's decided to put together the ultimate party, starting with Luna, a legendary dragon. But now Sol's former teammate is perturbed by his newfound strength, and a prominent clan has begun soliciting him rather forcefully...