Conan: I've been linked to the tech tree system.

[Detective Conan fanfiction] [Not a member of the Red/Black faction; the protagonist manages their own power base] [Lighthearted slice-of-life]......Having been transported to the world of Detective Conan, Toru Tono only wants to live a peaceful life.Until he met the elementary school student wearing a red bow tie.[Ding, you have been bound to the tech tree system][Prerequisite task detected; Detective equipment module now activated.][Current Detective Technology Points: 0/1000]......From then on, the world of Detective Conan gained a new legend of a mysterious doctor.……Nanoscale Evidence Collection Pen[Dynamic Environment Simulation Bracelet][Voiceprint Synchronized Voice Changing Mask]……The world has long suffered from detectives, but with Dr. Tono's products, solving cases will no longer be a detective's solo deduction show!……Quantum entanglement eavesdropping device【Nanomachinery Veil】Contactless fingerprint eraser……The world has suffered under the sway of detectives for far too long, but with Dr. Tono's creations, murder, arson, and robbery will no longer be hindered by detectives!