
密室、容疑者全員アリバイ持ち――「不可能」犯罪を専門に捜査する巻き毛の男、御殿場倒理。ダイイングメッセージ、奇妙な遺留品――「不可解」な事件の解明を得意とするスーツの男、片無氷雨。相棒だけどライバル(?)なふたりが経営する探偵事務所「ノッキンオン・ロックドドア」には、今日も珍妙な依頼が舞い込む……。新時代の本格ミステリ作家が贈るダブル探偵物語、開幕!
Knocking' On Locked Door is a Japanese novel of 106,425 characters, with 7,099 unique words and 1,607 different kanji. Its difficulty rating on Jiten is hard, 3.1 out of 5. The full vocabulary list ranks all 7,099 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.