Durarara!! SH 4 (Dengeki Bunko) [Light Novel]

[Machine Translation] Are you Anri Sonohara? I want you to sell me a song of sin. A year and a half has passed since the end of Daraz. In the antique shop "Sonohara-do" in a corner of Ikebukuro, the three new members of Kurara Academy were hanging out with Kyouri who became the store owner. Then, a certain person contacts them, asking for a "song of sin". Immediately after that, a suspicious person broke into Sonohara-do and ransacked the store. Meanwhile, Celty, who had resumed her job as a courier after being asked to do a strange job, also received information about Kyouri. Celty is worried and visits Sonohara-do, only to be met by Akabayashi and other people involved in the "sin song"... What is the mystery behind the commotion over the sin song? Come on, everyone, let's join in the Durarara! SH.

「あんたが園原杏里か?『罪歌』を売ってほしい。なんなら、俺を斬って『子』にするだけでも構わない」ダラーズ終焉から一年半。池袋の片隅に佇む古物商『園原堂』では、店主となった杏里の元に新しい来良学園三人組がたむろしていた。そんな所へ『罪歌』を求めて接触してきたとある人物。その直後、園原堂に不審人物が押し入り、店内が荒らされた。一方、妙な仕事を依頼され、運び屋を再開したセルティの元にも杏里の情報が入る。心配し、園原堂を訪れたセルティの前に現れたのは、赤林をはじめとした罪歌に絡む面々で...。果たして罪歌を巡る騒動の裏に潜む謎とは―!?さあ、みんな一緒に、デュラララ!!SH。