I Can Summon BOSS

Your name is Lei Yun, and you are a handsome boy. No matter what your name was before, you are called Lei Yun in this world. From now on, you are the protagonist. You were captured by the Lord God Aredis in "The Lord God Game" and forced to test the game for him. In the game, you unexpectedly gained the ability to summon BOSS, and the first creature you summoned turned out to be the daughter of the famous Diavolo, Diavolo—Big Bororia! ***** [Please give me favorites, recommendation votes, and thank you for everything!