不気味で素朴な囲われたきみとぼくの壊れた世界
novel
2008
The third instalment of the Sekai Series. Byouinzaka Kuroneko and Hitsuuchi Samatoki received a strange consultation and are invited to London, the city Sherlock Holmes loved. The mystery-solving battle of the incidents that occur one after another has begun! (Source: Kodansha, translated)
Sequel
novel
N/A
The fifth instalment of the Sekai Series. An alleged prequel to "Kimi to Boku no Kowareta Sekai," when Byouinzaka Kuroneko and Hitsuuchi Samatoki were in middle school. Note: Two of its chapters were released in Mephisto 2009 Vol. 2/3. Further chapters have yet to be released. Nisio has mentioned Boku no Sekai in 2020 and 2021, saying how he has yet to finish Sekai Series and how he should, implying he may get around to finishing and releasing volume 5 soon.
