
This time's location is set in the sea near the Hachijo-jima island, Tokyo. Engineers from around the world have gathered for the full-scale operation of "Pacific Buoy," an offshore facility to connect security cameras owned by the worldwide police forces. A test of a certain "new technology" based on a face recognition system is underway there. Meanwhile, Conan and the Detective Boys visit Hachijo-jima at Sonoko's invitation and receive a phone call from Subaru Okiya (a graduate student in the Graduate School of Engineering at Tokyo Metropolitan University, who is an FBI agent Shuichi Akai and a black-robed organization's Rye) informing them that a Europol employee was murdered in Germany by the Black Organization's Jin. Conan, who is disquieted, sneaks into the facility and finds that a female engineer has been kidnapped by the Black Organization...! Furthermore, a USB drive containing certain information in her possession ends up in the hands of the organization... A black shadow also creeps up on Ai Haibara (Detective Boys' Ai Haibara / Shiho Miyano / the Black Organization's Sherry),.. (Source: Crunchyroll)
Meitantei Conan: Kurogane no Submarine is a Japanese anime of 20,546 characters, with 1,990 unique words and 786 different kanji. Its difficulty rating on Jiten is hard, 3.2 out of 5. The full vocabulary list ranks all 1,990 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.