Magician in the World of Conan

Ye Xingchen, who appears to be a magician but is actually a real magician, inexplicably traveled to the world of Conan during a meditation and became Shinichi's classmate. In order to take advantage of the weird time laws in the world of Conan to extend the time of magic practice, He intended to become a great mage and returned to the original world. He watched Shinichi being poisoned and became smaller. He even tried his best to prevent Shinichi from getting the antidote. However, he fell in love with Miyano Shiho who also became smaller. For the sake of his beloved, Ye Xingchen decided to stay in this world...