As Promised Summoner, You Will Summon the Star-Casting Dragon King?

The abyss is coming, and the global profession is awakening. There are all kinds of professionals here, facing dungeons, secret realms, treasure hiding places, etc., And there are many foreign races in the wild who are eyeing them. He Buyan awakened to the ordinary summoner profession. With his innate talent, he summoned the heroes of "League of Legends". Yasuo: Death is like the wind, always with me. Ike: Time is not about how much you have, but how you use it. Jhin: I bloom in the midst of killing, like a flower in the dawn. The King of Destruction: I will never lose my love, and I will be ruined when I raise my eyes. … Many demon kings in the abyss looked at the hero who crushed them, and they had already forgotten how to deal with it. But He Butan moved higher step by step. He Butan said: The human race needs someone who can go further, so why can't it be me?