An Evil Dragon That Was Sealed Away for 3000 Years Became My Friend

An Evil Dragon That Was Sealed Away for 3000 Years Became My Friend summary: Will the world end if there’s no rom-com!? The one who got summoned was the strongest, super easy-to-fluster, and adorable Dragon King! Yūto Kuroma, a 14-year-old with a serious case of chuunibyou, accidentally summons the ultimate Dragon King using a magic circle he had doodled purely on a whim… (Wait, seriously?) On top of that, due to certain circumstances, Yūto ends up becoming friends with a lonely evil dragon girl who had been sealed away for 3000 years…!! Now, the fate of the world is casually entrusted to one unsuspecting boy.