Once upon a time, an unidentified enemy, the Unknown, suddenly appeared. The "Super Evolutionary Railway Development Agency," had developed the "Shinkalion," a robot that transforms into a bullet train, as a countermeasure against this threat.

Kid vs. Komei: The Targeted Lips (キッドVS高明 狙われた唇 Kiddo Vāsasu Kōmei Nerawareta Kuchibiru?) is the 983rd and 984th episode of the Detective Conan anime. Heiji and Kazuha are invited by Kogoro, Ran, and Conan to Jirokichi's Suzuki Museum to witness the world's largest conch pearl, the Fairy's Lip. Once again, they meet inspector Nakamori who reveals that once again, Kaitou Kid plans to steal it, but there is another law enforcer, inspector Taka'aki Morofushi from Nagano's prefectural police. He reveals that he went to Tokyo to retrieve something that was adressed to him and that he was curious, so he assisted Nakamori's investigation. Naeji Torigoe, the Fairy's Lip's current owner, shows up and tells Jirokichi that if the jewel was to be stolen, he had to pay him back generously, with a large smirk. At the same time, Moena Yamamoto, a company employee, is able to break through security and asks Torigoe to give the jewel back, because it actually belonged to her grandfather who received it after successfully operating a rich caribbean businessman decades ago. Torigoe shoves her away and sees that he discovered it in Mie Prefecture's Ago bay just a few years ago. After listening to their conversation, Kaitou Kid, disguised as a riot squad member, decides to act and makes inspector Nakamori walk on one of his cards stuck on the floor, saying that he will steal the jewel tonight. Will he succeed?

To kick off the season, a special episode titled "Digression: Diablo's Journal" will release on March 30, recapping the events of Season 2 from Diablo's perspective.

Following the faceless god Hitogami's advice seems to have worked wonders for Rudeus Greyrat. After enrolling into the University of Magic as he was told, Rudeus reunites with his childhood friend Sylphiette, who put a valiant effort into curing his condition. The two grow ever closer together and decide to host a wedding party, inviting the friends they have made over the years to announce and formalize their relationship. For all his recent blessings, however, Rudeus' troubles are far from over. The research he is helping Shizuka Nanahoshi conduct hits a bottleneck, sending her into a deep slump much like he experienced in his previous life. Furthermore, a letter from his father, Paul, brings complications to Rudeus' relationships, and Sylphiette still knows next to nothing about his real background. In the face of these issues, Rudeus will have to apply the lessons he has learned in this new world to navigate through the challenges that come with living a life to its fullest.