Original + Half EG, the Secret to Improving the Relationship Between the Characters in the Story of Caiyun Kingdom!

Anyone who has seen Caiyun knows that few of them are normal people. But... The person who traveled through the past seemed even more abnormal! He spent the whole day making small calculations about her attack plan. Oh hehehe~~What will happen in the end? What kind of person is she who has a good relationship with people in Caiyun Kingdom? It's a light comedy fanfic, released! ! Conception: