Back of Reverse Paradise

Do you know how many people are needed to build a ladder?That was the first sentence Miyano Shiho heard when he entered the organization, a sentence without any ups and downs.The other party was an old man over fifty with gray hair, and he handed her the information left by his parents.At that time, Miyano Shiho didn't know this sentence at all. How many people's blood had been swallowed by this information, and it would even continue to be swallowed.Content tags: ┃ Search keywords: Protagonist: Conan Edogawa (Shinichi Kudo), Ai Haibara (Shiho Miyano) ┃ Supporting roles: Toru Amuro, Ran Mori, everyone in Conan