In the final battle between Kaitou Kidd and Spider, Spider used a forbidden technique to shatter Kaitou Kidd's soul and scatter it to ten worlds. Kaitou Kid's identity was exposed. Feeling guilty for not being able to help him in time, Kudo Shinichi and an unknown feeling deep in his heart volunteered to collect Kuroba Kaito's soul fragments and traveled through ten small worlds. Who knew that the method of collecting the fragments was actually...
Concept: A relationship that has not experienced hardships is not perfect.