Yu-Gi-Oh! Kamen Rider Summoner

Zhang Youjing mistakenly signed a time travel agreement when adding a watermark to his DIY Kamen Rider deck. I didn't expect to actually travel to the world of GX. Responsible for promoting the strength of your deck. How to pass the entrance exam in the Dark Middle Ages at the beginning? Let my deck come to help! Comes with a promotion system! Win the battle and get card fragments for drawing! What changes will the continuous emergence of more knight decks bring to the world? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.