[Summon dragons and witches at will] [Fight seriously] [Never give up] "I don't care about your colorful magic, no matter how fancy it is!" "No matter who comes, I will use this trick: [Secret Technique·Invalid]!" "What you will need most in a while is: healing potion!" "Why don't you just come together, don't be scared!" "I live in a castle and have a beautiful wife who loves kisses waiting for me to laugh!" "If I get home late, she will be so anxious!" "Please remember, my name is Zhou Ying, and the one who wins by doing nothing will win, don't shout nonsense!"-----------------In a world where [Summoners] can cast five-color summoning spells with their bare hands, Zhou Ying, a young mechanical engineering student, plans to rely on just one counter-spell to go from a clear [apprentice] to a [great scientist] of spells!

What are witches? Are they pitiful women captured and burned by the church? No, they are naturally immortal beings with powerful magic, roaming the starry seas and causing countless races to tremble. What will a human from Earth bring to this world? Will they bring a small, bountiful harvest to the starry seas, or will they introduce a new race that will win the hearts of countless witches? ...This is the story of a somewhat clever human witch, struggling and making her way through the witch world.