Cards, Cards, in My Hand

① Guan Jian is a lovely girl. Although her family is not very poor, she has to bear high expenses. She has a relationship with a young master from a rich family in another world. Once he invited her to go to a place together. She heard about a card organization that can train people, so she went there happily... ② Cisu is a melancholy boy. He is a prince of a country, but he is spurned by others. Due to physical reasons, he has been unable to try cards. An accident allowed him to officially enter the field of cards and gain freedom, but he also fell into crisis... ③ Wen Changrong is an arrogant boy. His strength is not weak, but he is insignificant in an organization with many experts. However, he is still young, but he is hired as a senior elite personnel and follows many experts to complete tasks... ④ Xin Si is the son of a duke. He is very powerful and has become the heir to the family. He is also good at playing cards. He hates the cowardice and lack of dignity of others. He is fair and does not trust others easily. At the card celebration, he accidentally met... ―――― Many of the important protagonists and supporting characters are relatively young, basically underage. If there is a funny plot, try to control the logic. I haven't thought about the love line yet.